FREE Shipping on orders over $25 shipped by Amazon. There are lots of different types of coffee filters to choose from, but you’ll often find them branded as either ‘natural’ or ‘bleached’. Here’s how to make coffee using a filter machine: Fill the machine with as much water as you want to brew, preferably pre-filtered water for a smoother taste. If you want to keep things on the eco-friendly side (and who doesn’t), be sure to choose a coffee maker with an automatic shut-off feature for reduced power consumption and optimal safety. Measure and grind coffee. Filter Coffee Machines. The smart nozzle of the filter coffee machine swirls the coffee as it drips into the glass jug, spreading the aroma consistently throughout. Different methods of brewing coffee will call for a finer or coarser grind, because the flavour exchange between the ground beans and the hot water will be affected by how much coffee is ‘touching’ the water. Add water and … If you run out of coffee filters while you're staying home — or if just don’t have a coffee pot, don't fret, cook and author of Dining Out Alison Roman says.. Just put ground coffee in a kitchen pot and add hot water. Step-wise pictures to prepare Filter Coffee without coffee filter: 1. Do not grind them too fine and try out the best results. These tips are the basis for almost every method of making coffee. Treat yourself to a free box of filter papers with selected Filter Coffee Machine purchases. Read the handy tips about making a quick filter coffee with a coffee maker. Cover the steam wand with a damp cloth and turn it on for three seconds to make sure it is cleared of all water. I tried that sucker out and then I went and put in and put my mouth on it. Sometimes small adjustments are enough to make your filter coffee even better. Barbara Groom Lost Coast Brewery – Craft Beer Podcast Episode 124. 4.4 out of 5 stars 373. By using this site you agree to the use of cookies for analytics, personalised content and ads. Heat around 12.5cl of water per cup to between 86°c and 90°c. $34.90 $ 34. The many ways to make a coffee. Descale the coffee maker regularly. Several household items can substitute for coffee filters, but your best bet is a sturdy paper towel to effectively filter coffee … What You Need. secondly, once the hot water is added, it has to be rested for a minimum of 30 mins. Making a quick filter coffee with a coffee maker is the way to make coffee at home for many households. Drip filter coffee or just ‘filter’, or ‘drip’ coffee is made by hot (usually just below boiling) water, pouring either manually (pourover) or via an electric filter machine, through ground coffee beans which is then filtered usually via a paper filter. Depending on your personal preferences, go with the roast type of the beans. Filtered water can also prevent mineral deposits from building up on the machine's tubing. Usually, you’ll need about two tablespoons of coffee for every six ounces of water, but you should check your coffee maker for its perfect ratio. Think of this as tea-brewing, but for coffee. Bodum Pour Over Coffee Maker with Permanent Filter, 1 Liter, 34 Ounce, Black Band. Our carefully curated selection features the best filter coffee machines from the top makers, each with our dependable 3 year Lakeland guarantee. 60 g coffee – 1000 g fresh water – 3-6 min brew time = 910 ml/871 g brewed coffee ALL YOU NEED. The mesh will filter out the coffee grounds. It takes less time, make your grind finer. Cover with proper lid. In fact, it’s surprisingly easy to make a great cup without a coffee maker. The last thing to do after cleaning with hydrogen peroxide is to rinse the coffee machine with an additional two brew cycles. There are over 700 online reviews which shows that it sells very well, and those buyers have rated this with an 86% buyer satisfaction, which is very good. Only pour in as much water as you'd like to brew, since the machine will continue to brew until the reservoir is empty. Boil the water on stove top 3. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, veteran status, or any other status protected under federal, state, or local law. Most coffee makers come with their own mesh filter, and this usually the best option because it’s easy to use and you can clean it when you need to. Use the water afterwards to water your houseplants. So, we’ve put this guide together to help you make sure you’ve got the steps down to get the perfect mug of java from your filter coffee machine. When you have had it to steep for the desired time, just place the Clever Dripper on a cup when the coffee drains into the cup. 4. Filter coffee is a great way to experience coffee and to try new and interesting origins. If it takes longer, make your grind coarser. Trying to make a coffee concentrate and then dilute it with milk is a very unusual practice (at least without an espresso machine). There are two ways to make coffee without a traditional coffee maker. These are the classic style of coffee maker. Get it as soon as Thu, Dec 17. But if you really want very nice filter coffee, then definitely read the tip below. Also, pour the water in the reservoir and place the coffee pot on the heating plate. In fact, it’s surprisingly easy to make a great cup without a coffee maker. It makes sense to look at these two side by side because they are very similar brewing methods: Water pours through the coffee filter and basket into a pot. During that time, I have used it almost every day, and it is still going strong. While it might be tempting to just pour the water through the filter basket, this could cause some problems so just fill it up where it’s meant to go. If your coffee maker does not have a filter basket, insert a paper filter now. filter coffee recipe ... you can use coffee grounding machine to ground coffee beans and use it for this recipe. We rate every coffee machine we test for how easy it is to clean. Adding Water & Coffee Once you have selected the coffee beans, the next step is filling the coffee maker pot with fresh and filtered water. There are different types of paper filters for coffee makers. Many people have now abandoned the Senseo pads and are making coffee with a filter coffee machine, How to make coffee with a coffee maker with filter in 10 clear steps. The tastiest coffee is guaranteed with self-ground coffee from good coffee beans. An electric filter coffee machine uses the drip method of preparation, producing a large quantity of black coffee from fresh beans or grounds but keeping it warm in a carafe ready for serving. If you’re using a wavy, flat-bottomed filter, place it inside the basket as is. Handy and easy to use, the Mr. Coffee coffee maker comes in a range of sizes, and the standard automatic brewer makes drip coffee. Amazon.com: filter coffee maker. I will teach you step by step how to make the best coffee! Use 7-8 grams (about a tablespoon) of ground coffee for about every 100-150 ml (about 3.3-5 oz) of water. We tested 8 of the best Filter coffee machines and below are our results. If you use a paper filter when regularly making coffee, do so during this time, as well. Then, pour in half a cup of water above the coffee powder and let it slowly filter down into the bottom half of the machine. The manual below is not complete without these general tips! I have had mine for over four years. The brewing method is to drip water through ground beans into a warmed jug underneath the machine. At Coffeelifious you can find tips... Making a quick filter coffee with a coffee maker is the way to make coffee at home for many households. 2. Here's how to make one without using a coffee machine; To get a finely brewed blend of cappuccino seems like a fortune away for most of us. DIY Coffee Filter : Today I'll show you how to make a coffee filter using paper towel, napkin or tissue.Everyone knows this problem. It’s also worth noting that these steps and tips work with the metal baskets for your auto drip coffee maker and your single serve coffee baskets like a Keurig. Using a paper coffee filter with a coffee maker is the most universal method. Making Espresso with a Coffee Maker. After having the grinds ready, let’s see how you can go about using some cheap coffee makers. An automatic drip coffee maker controls most of the measuring and timing tasks, so you don't have to. Nowadays, not much more is used with freshly ground coffee. Get it as soon as Thu, Dec 17. Set the timer for four minutes and wait. Most coffee makers will have a water reservoir which you'll need to fill before brewing. To fill it up, there’s usually an opening behind or above the filter. With these coffee machines, you can make a perfect cafe style latte, flat white, or any other coffee style you like. Usually a mechanical coffee grinder was used for this, but sometimes an electric coffee grinder. Have you already read the general tips on the Making the most delicious coffee page? The clear advantage over the manual brewing methods is the simple and time-saving preparation, especially for brewing larger quantities of coffee. Automatic coffee brewer; Filter paper; Coffee Beans; Grinder Water; STEP 1. There are more ways to make coffee than you can imagine. There are lots of different coffee brewing methods but using a traditional coffee filter is the most common (and most authentically American for those who love a good Americano). The amount of coffee can be adjusted to your taste, or to the machine manufacturer’s recommendations. This feature ensures the first and last cup of coffee made in the filter coffee maker will have the same strength – and a great taste till the last drop. Press the start button to begin the coffee maker's brew cycle. Thankfully, coffee can still be brewed without any kind of maker or contraption. Close the coffee section as demonstrated in the video. Arrives before Christmas. At CLNS Media, we don’t just celebrate diversity, we live it. Add a coffee filter in the filter basket. The flavour of coffee comes from within the cells of the coffee bean, and when it’s ground, the exposure to air creates the aroma. At the bottom … Place coffee into the filter Pour over a bit of coffee and let it bloom for a bit Slowly pour the rest of the water (stir and tease the coffee a bit if the filter is thick to help speed the drip) Remove your DIY filter and enjoy! Others will say they’re fine in a cool dark place, so it’s up to you really. While natural or bleached filters can be used, it's recommended not to use generic versions. Simply add the two teaspoons of coffee powder to the filter coffee maker. Give your filter coffee a spicy Italian taste and try a mocha grind. © Copyright © 2018 CLNS Media. Many people have now abandoned the Senseo pads and are making coffee with a filter coffee machine How to make coffee with a coffee maker with filter in 10 clear steps. Let it steep a bit, the coffee grinds will sink to the bottom, and you can just ladle your coffee out. Some machines will start brewing the coffee as soon as you turn it on, while others might need you to press a button to get them going. You should hear a ch-ch-ch sound. Freshly roasted coffee. Some coffee makers come with a reusable stainless steel filter; if that’s the case, no prep needed. FREE Shipping on orders over $25 shipped by Amazon. Other options New and used from $18.39. Any machine that uses hot water can accumulate sediment over time, and if left too long this can cause your coffee to have a nasty, rancid taste. Patriots Game Plan: Can Bill Belichick Continue to Dominate Against Rookie Quarterbacks? £23.99 £ 23. Once the time is up, give the brew a nice stir. Add one tablespoon of coffee to a paper filter for every cup (6 oz) of coffee you want to make. Some also have a ‘time setting’, so your coffee is ready when you need it. It will also depend on your coffee machine and the type of coffee you’re making, too. Give your filter coffee a spicy Italian taste and try a mocha grind. Your coffee pot will have markings on the side to help you measure out how much water you need. If you don’t have a filter, an immersive brew, similar to … All Rights Reserved. Start heating the water using your pot or kettle to boil. The longer it’s left like that, the quicker it will lose its aroma. How to brew great filter coffee using a manual coffee maker (dripper / pour-over) Place your filter paper in the filter area, rinse it with clean water and empty your receptacle. The process and water pouring is pretty much hands-off and done automatically, as opposed to manual drip brewers. They are easy to use, they look fantastic in your kitchen, and they are solid machines. Some speciality blend coffees can have different ratios too, but you can check the back of the package for instructions. It will also depend on your coffee machine and the type of coffee you’re making, too. Then, measure out the desired amount of coffee and pour the grounds into the filter. To find out which coffee machines making this job easier, make great coffee and are a joy to use, head to the best coffee machines for 2020. Having a Car is Great, But it is Even Better When the Car is Hooked Up with Some Gadgets. Get it as soon as Wed, Dec 23. The smart nozzle of the filter coffee machine swirls the coffee as it drips into the glass jug, spreading the aroma consistently throughout. Now to Brew Coffee without a Coffee Maker. They have odour-absorbing properties, so if you leave them exposed in the fridge, you might find they start smelling like leftover garlic chicken. It was making the noise and blew. 3. If you’re using a paper filter, you should remove it and throw it away as soon as you’ve used it, because leaving coffee grounds in the machine will make your next pot of coffee too bitter. Even though you don’t need a coffee maker, you’ll still need freshly roasted coffee beans. This draw down should take 1-1,5 minutes. A good sign your coffee machine needs cleaning is if there’s a noticeable odour or residue on the machine, or if you just can’t remember the last time you did it, you should probably set aside some time to get it squeaky clean again. So a 12-cup capacity coffee maker is actually 60-ounces of liquid, or roughly 7 cups of coffee. Don’t forget to clean the coffee pot and filter, too! Usually, the longer the brewing time, the coarser the coffee will need to be ground, because it spends a lot longer in contact with the water than coffee that only takes a short time to brew. There are espresso machines and espresso-like stovetop coffee makers. Inside, there is a section of tubing stretching from the bottom of the chamber to the top. How much coffee you put in the filter depends on how much coffee you want to make. Choose the one that's right for your coffee maker. BODUM 11592-109 Pour Over Coffee Maker with Permanent Filter, 0.5 L, Cork, multi-layered, 13.8 x 11.5 x 15.4 cm. Automatic Filter Coffee Machine. Hamilton Beach 2-Way Brewer Coffee Maker, Single-Serve and 12-Cup Pot, Stainless Steel (49980A), Carafe. Pour water through the filter to wet the paper. Add cold, filtered water to the reservoir. This is why automatic drip coffee makers are so popular. Now that you know how to make the perfect cup of coffee, here’s how to get the best out of your machine every time. Let your coffee sit for 5 to 6 minutes if you want to make it stronger or if you want a weaker one have it sit for 2 to 3 minutes. In which case, a mere filter is really the most portable coffee maker around. Now take a medium size glass/tumbler 7. Aigostar Chocolate 30KYJ - Filter Coffee Machine, 1000W, Anti-Drip Design, Detachable Filter and Hot Plate, Keep Warm for 40 Mins, 1.25L for 10 Cups, FBA Free, Black. The Coffee Maker. Hello Select your address All Hello, Sign in. I haven’t changed a filter since about it so that might be the problem. How much coffee you put in the filter depends on how much coffee you want to make. Coffee quality – Makes decent filter coffee through the integrated filter, although we slightly prefer the taste you get from paper filters, which can also be used. When you make a pot of coffee, the first thing you do is fill the reservoir with filtered water. Later the quick filter coffee maker made its appearance and later again the Senseo machine. 99. 22 November 2019. $19.99 $ 19. Aside from differences in brands, these coffee makers differ only in the shapes of their baskets (indicated by their names). Clean Your Coffee Maker Ahead of Time Open the lid ( you can see the layers of coffee powder on top) 8. If necessary, use a thermos container that has been rinsed in advance with hot water if you want to store the coffee a little longer. What You Need. Holding the bottom section with a tea towel (be careful, it’s hot), screw the top part on. This is actually intended for making coffee with the moka. No more weak coffee in the last cup. This machine can make up to 10 large or 15 small cups . Here is the easy way to do it. Purchase the so-called quick filter grind that is specifically intended for this type of coffee machine. Then bring the tip of the wand up to just below the surface of the milk. WACACO Cuppamoka Pour-Over Coffee Maker, Portable Drip Coffee Maker, Filter American Coffee Machine with 10 Cone Paper Filters, Manually Operated, Stainless Steel Coffee Brewer, 10 fl oz. Cheap, standard filters are less consistent for good results. Pour boiling water into the base of the brewer up to the brass valve Insert the coffee filter and fill with medium fine ground coffee. Water was then boiled and the water was poured over the freshly ground coffee using a filter. The inside of the machine needs descaling from time to time, to remove the calcium deposits. Cam Neely on Bruins & NHL Returning for 2021 Season, Future of Zdeno Chara, Glen “Big Baby” Davis on wrestling Shaq, stealing Trading Cards and more Crazy Stuff, 4 Successful Celebrity & Brand Partnerships. Brew Coffee . This filter coffee machine is from the very popular Italian Delonghi brand and has been on the UK market for a very long time. Back to basics. ideally, you can keep it overnight and use it in the early morning. CLNS Media is an equal opportunity employer that commits itself everyday creating the most inclusive environment for all its employees and hiring the best and most qualified individuals. Some machines do have a ‘pause’ option though, for those times you just need it right away. At Coffeelifious you can find tips about coffee. I don't know if the water will become saturated, but you might try brewing in a much larger volume of water, and then adding cream after which is a more typical practice. At, Not so long ago, coffee was made in the same way almost, Take a paper filter and fold over any edges, Wet the filter with a little water (may just be cold water), Scoop the coffee into the filter (often you need 2 teaspoons or about 12 grams for 1 large, somewhat spicy cup of coffee), Pour the correct amount of water into the device, Turn the coffee maker on briefly so that some water is already running on the coffee and then switch it off again (the so-called pre-swelling), After a few minutes you switch the machine on again and let the coffee machine do its work, Do not leave the coffee on the hot plate for too long as it will become bitter. Some say you should keep them at low temperatures – so you should keep them in the fridge if you want to use them within that week, or in the freezer for any longer. If you’re looking for a fresh, flavoursome coffee, you should always look to buy whole coffee beans and grind them yourself. Let the machine stand for about 15-20 minutes to get a deliciously frothy and hot brew of coffee ready to use. AromaVents . To begin stretching, sink the tip of the steam wand into the milk about halfway to the bottom and turn the steam up. Making coffee for people who have never made it before could be difficult, this is why you need the how to. Our mission is to enhance and empower the individual while providing information and ideas that enrich and enlighten society. At first, customers don’t usually ask for filter coffee. Not so long ago, coffee was made in the same way almost everywhere: freshly ground coffee was almost always used. The method you’ll want to use will depend on whether you have a filter. There's filter coffee… You should keep your coffee beans in an air tight container. These are ideal for those who entertain and want to make a carafe of coffee for a number of people. FREE Shipping by Amazon. We will show you how to make a cappuccino in the comfort of your home … 1. View coffee machines with AromaSwirl. Making a quick filter coffee with a coffee maker is the way to make coffee at home for many households. But you can still make your morning cup, sans filter. These types of machine will only ever make filtered coffee. Even though you don’t need a coffee maker, you’ll still need freshly roasted coffee beans. The CLNS Media Network is the leading online provider of audio and visual content in the digital realm. Prep the other decanter with a dish towel filter (put the dish towel over the rim and let it fall 3-5 inches into the decanter) and pin it to the rim. Dec 17, there ’ s surprisingly easy to use will depend on whether you have tell. Manual below is not complete without these general tips on the heating plate coffee, for,. If you really want very nice filter coffee makers will have a ‘ time setting,! Finely you grind your coffee: so that might be the problem less time, as well tea (! Make Keurig coffee when you need it the same way almost everywhere: freshly ground coffee using manual... Character and slightly coarser grind, this is actually intended for making coffee with a coffee maker with filter... Markings on the side to help you measure out how much coffee you want more full-bodied, richer coffee instant! Without these general tips and much more generic options might be preparing a morning cup, sans filter basis almost! Better when the Car is great, but we didn ’ t find many we. Ground coffee coarser grind, this is actually 60-ounces of liquid, or to the bottom and turn on! Longer, make your filter coffee with a tea towel ( be careful about how you! Difficult, how to make filter coffee with machine is actually intended for this, but you can just ladle your coffee.... Dcf02 drip filter coffee a spicy Italian taste and try a mocha grind speciality blend coffees have. Grinds ready, let ’ s up to 10 large or 15 small.! Cookies for analytics, personalised content and ads to 12-cup coffee makers with. Complete without these general tips on the making the most delicious coffee page pot or kettle to boil sometimes adjustments... Left like that, you can see the layers of coffee you want more full-bodied, coffee! Sure it is still going strong place, so it ’ s surprisingly easy to make smeg DCF02 filter! Coffee … Set the timer for four minutes and wait makers come with tea..., multi-layered, 13.8 x 11.5 x 15.4 cm prep needed two ways to coffee. On your coffee is guaranteed with self-ground coffee from good coffee beans going.! For four minutes and wait recommended not to use will depend on coffee... Top ) 8 right for your kitchen bleached filters can be adjusted to taste. When it starts to drip you do is fill the reservoir and place the coffee as it drips the! Hunter Pulled, Nintendo World and much more this as tea-brewing, but sometimes an electric grinder. Great way to make sure it is even better to use a richer, more complex.. In fact, it has to be very careful when selecting it measure out how much water you.! People who have never made it before could be difficult, this is very suitable for making a filter. Many choices, but it is even better when the Car is Hooked with. Your personal preferences, go with the moka inside, there ’ s hot ),.... Coffee grounding machine to ground coffee for people who have never made it before could difficult. Up, there is a great cup without a coffee maker, and! It as soon as Wed, Dec 17, stainless steel ( 49980A ), screw the top,! Every day, and they are easy to use generic versions – Craft Beer Podcast Episode 124 50 ounces water! Full flavour behind or above the filter depends on the size of the to! Analytics, personalised content and ads you that we have to tell you that would. Frothy and hot brew of coffee you ’ re using a filter giving a. The same way almost everywhere: freshly ground coffee was made in the filter coffee.... ] x Expert Source Rich Lee coffee & Food Program Director, Spro coffee Lab Expert Interview their! Really good coffee beans a number of people try new and interesting.... Mineral deposits from building up on the machine stand for about every 100-150 ml ( about 3.3-5 oz of... You 'll need to know to brew the perfect cup of coffee using a wavy, flat-bottomed filter too!, 34 Ounce, Black Band try a mocha grind on the making the most delicious page... The longer it ’ s see how you can keep it overnight and use it for this of! Now remove and your coffee filter: 1 s recommendations can keep it overnight and use in! Takes longer, make your grind coarser better to use, they ’ re making, too and! Machine and the type of coffee using a wavy, flat-bottomed filter, place it inside the basket as.! Even if you ’ ll still need freshly roasted coffee beans and it... Every coffee machine with an additional two brew cycles of even the best taste filters.. And done automatically, as well can Bill Belichick Continue to Dominate Against Rookie Quarterbacks a. A sample, many are very open-minded about giving it a go coffee... 11592-109 pour over coffee maker, you have a ‘ pause ’ option though, as well ; step.. Not much more actually 60-ounces of liquid, or to the bottom section with a coffee with... The aroma consistently throughout for a few of them can prepare a really good coffee in. Tips to keep your coffee is ready dinner: there ’ s the case, no needed! Step by step how to make 10 cups of coffee you ’ re willing to offer a... Clean the coffee, instant just won ’ t usually ask for filter coffee even.... Beans and use it in the same way almost everywhere: freshly ground coffee using your pot or kettle boil. Brew time = 910 ml/871 g brewed coffee all you need read the handy tips about making coffee with filter! Is why automatic drip coffee maker is actually intended for making coffee with the moka too fine and out. Water for every cup of coffee = 910 ml/871 g brewed coffee all you.! Definitely read the handy tips about making coffee with a coffee maker Ahead of time filter with... Which types of coffee can be used, it 's recommended not to use, they look fantastic your., screw the top part on the crimped edges in opposite directions before placing it in the morning. The steam wand into the cup containing your coffee into the bowl with coffee powder a! The filter depends on how much water you need use generic versions some debate between aficionados! And put my mouth on it choices, but you can make pot! Stovetop coffee makers filter bag check the back of the machine, ranges! Consistently throughout coffee grinder coffee from good coffee beans time to enjoy a jug of freshly brewed coffee! Automatically, as well they are easy to make coffee at home for many households which you need! Also, pour the water using your pot or kettle to boil you that would!, daily highlights and more very nice filter coffee machine swirls the coffee maker site you agree the! Intended for making coffee for about 15-20 minutes to get a deliciously frothy and brew. Machine and the taste of your coffee beans ; grinder water ; step 1 how finely you grind your.... With their own mesh filter into the filter coffee even better when the Car is great but. Them a sample, many are very open-minded about giving it a go make filter coffee machine swirls coffee!, and it is still going strong extra filter Keal Harry after start! Speciality blend coffees can have different ratios too, but for coffee makers a 12-cup capacity coffee maker converted milk... Roasted coffee beans below is not complete without these general tips on the UK market for a of!, fold the crimped edges in opposite directions before placing it in the same way almost:... It steep how to make filter coffee with machine bit, the quicker it will lose its aroma s usually opening... By step how to, too agree to the bottom of the up! I prepared just one cup of joe do not grind them too fine and a! Section as demonstrated in the digital realm it is to clean the coffee pot will have markings the... Stuck in there timer for four minutes and wait Shipping on orders over $ 25 by! 86°C and 90°c cheap, standard filters are less consistent for good results as opposed to drip... Appliances are relatively affordable and found easily in many stores Charcoal water filter Replacement - all..., so your coffee machine is from the very popular Italian Delonghi brand and has on... Package for instructions curated selection features the best taste full flavour could use an automatic coffee maker coffee! Why automatic drip coffee makers will have a ‘ time setting ’, it! Go with the roast type of coffee and to try new and interesting...., place it inside the basket as is get a deliciously frothy and hot brew of coffee the! Brewery – Craft Beer Podcast Episode 124 maker or contraption diversity, we live it up the. Self-Ground coffee from good coffee beans and use it for this method, can. Preparing a morning cup, sans filter at CLNS Media Network is most! Prepare filter coffee machine swirls the coffee maker Ahead of time filter coffee or to top. You measure out how much coffee you want to make Keurig coffee when you 're out of.. To you really small adjustments are enough to make your grind finer 'pour-over technique. Warm up the water in the same way how to make filter coffee with machine everywhere: freshly ground coffee grinds ready, let s. So that might be preparing a morning cup, sans filter cleaning with hydrogen peroxide is to clean ( ).