cleaning paving slabs with bicarbonate of soda. If any paint remains on the concrete, spread the stripper back over the area and allow it to work longer. cleaning paving slabs with bicarbonate of soda

 
 If any paint remains on the concrete, spread the stripper back over the area and allow it to work longercleaning paving slabs with bicarbonate of soda  Repeat steps 2, 3, and 4 until your surfaces are clean

Wait at least 15 minutes, then sponge off. Seal the patio. A good clean with a broom and strong detergent. 3. Wet the paving slabs with. 5L water and spray on affected plants. Use a 1:1 ratio if you’re combining both. Rinse the area with a fully powered hose. Sweep clean the area to remove all loose dirt. Dilute white vinegar with water in a bucket, at Walmart (a 50:50 solution is fine), and apply this natural, eco-friendly cleaning solution to the paving slabs with a firm brush and rinse thoroughly. Pour this in the gaps in your block paving. They are grey and quite dirty. Potential dangers of drinking baking soda. Scrub with a nylon bristle brush and rinse with hot water. Doing this level of cleaning regularly will go a long way toward. Tips & TricksHow often should you clean concrete paving slabs? Most patios only need to be cleaned once a year, and spring is a good time to clear away winter mud and grime ahead of summer. Baking soda. Gently scrub the water or cleaner into the surface of your block paving. As the liquid in the poultice evaporates, it will draw the oil out of the concrete and into the poultice. Paving slabs take some care in order to continue looking sharp, and typically need a pressure washer to give them a. Rinse off with the garden hose. 5 cm) past the edge of the stain. Bicarbonate, the active ingredient in baking soda, is an effective spot treatment to help kill the algae and loosen it from the wall. If you are using the mixture to eliminate a stain, spray the solution on the stain and scrub with a non-abrasive sponge. It needs an acid (as well as moisture) to activate it so is often combined with cream of tartar, yogurt, buttermilk or milk. Baking soda is chemically known as Sodium Bicarbonate. Spray the surface with soap and water, then scrub off. Although both substances can be used for cleaning, they have different properties that better suit certain tasks. Finish cleaning. Then wipe the tiles down with a cloth soaked in lemon juice before rinsing with warm water. Always wear safety goggles when working with this mixture, as soda crystals can irritate the eyes. First place the baking soda down the drain, then pour the white vinegar over it. Hose down with. Cleaning your paving slab with vinegar solution is the best cleaning option and it comes under the natural cleaning method. Add baking soda. To clean and deodorize coolers add 2 ounces of Sodium Percarbonate per gallon of hot water, soak for 20 minutes, then rinse. One study found that toothpaste containing baking soda is effective at removing plaque biofilm. 2. Vinegar contains acetic acid, which kills vegetation. “Baking soda, being a mild abrasive, helps break down. Rinse the concrete surface and scrub vigorously with a stiff brush and clean water. Wait 15 minutes for the bubbling duo to do their thing, then wash away with boiling hot water to get rid of the drain. Step 3 – Pour the cleaning mixture over the affected area on your paving slab - do not be afraid to be generous. Step 2: Apply paint stripper. Scrub any areas of dirt or mildew from your patio using a stiff brush that has been dipped into warm water and dishwashing liquid. Use a sprinkle of bicarbonate of soda on a sponge to clean any surface you would usually use a cream cleaner on. Step 4: scrubbing. Use Bicarbonate of Soda to Clean your chopping boards. Re-sand or re-point any joints if necessary. How to clean block paving. Cleaning paving slabs with bicarbonate of soda is a much simpler, cheaper and more environmentally-friendly alternative to pressure washers and chemical-filled solutions. Once all affected pavers have been covered and scrubbed, leave for approximately 20 minutes. For really dirty patio slabs, or areas with stubborn stains, add more vinegar into the solution. If using a power washer, it should be angled at 30°and sprayed diagonally on a medium pressure. Douse the charred area with water. 1 cup chlorine bleach. 4. Wipe the surface with a clean area of your cloth afterwords to clean the soap off of the surface. Pour this mixture into a spray bottle and spritz it across your decking. It is the most natural way to clean paving stones. Tips & TricksThe classic and easiest method is to wash your paving slabs with warm water mixed with dish soap, rubbing it in with a brush before rinsing it with water and allowing it to dry fully. The mixture will foam up but will settle if you mix it slowly. com) with one part baking soda. Also called sodium bicarbonate, baking soda is so effective at eliminating weeds thanks to its high salt content or ‘salinity’. Then, mix up some baking soda and just enough white vinegar to make an abrasive paste. Grab a paintbrush and fill a spray bottle with water. Suggested dosage is 30 grams per 5 litres of cold water. The experts instructed: “Mix two teaspoons of dish soap in with the white vinegar (the amount of vinegar will depend on the size of the job at hand, but typically, with two teaspoons of soap. 64 cm) thick and extend it 1 inch (2. It’s best to mix the bleach in a suitable watering can. The vinegar and soda will fizz when they come into contact with each other. By cleaning at a low pressure and a very high temperature, up to 150°C, excellent results can be achieved. In the case of bicarbonate soda, dissolve 1 to 5 tablespoons in 10 litres of water, depending on the degree of soiling. 3. Follow these proper techniques to effectively clean your patio pavers and prevent the growth of mold and mildew. It Can Clean your Dishes. How often should you clean concrete paving slabs? Most patios only need to be cleaned once a year, and spring is a good time to clear away winter mud and grime ahead of summer. If you still see evidence of moss, mix a 10-15% solution of bleach and water in a bucket. Cleaning paving slabs with bicarbonate of soda is a much simpler, cheaper and more environmentally-friendly alternative to pressure washers and chemical-filled solutions. Rub the paste into the stain and let it sit for about 15 minutes before rinsing. Rinse off the vinegar with water from a hose, and wipe off any standing water. All you need is a little bicarbonate soda or vinegar. Baking soda is best used on lighter-tone stained paving slabs to brighten up any dullness. Oil Stains On A Driveway Or Patio What Can I Do Will They Come Out. Step 2 - Fill a bucket with warm water and mix one cup of washing-up liquid, soap or soda crystals with warm water in a bucket. Use a bowl to mix bicarbonate of soda and water until you achieve the consistency of a spreadable paste. Technically, it overloads weed with salts and absorbs cellular water from the tissues of weed. The patio is then cleaned with a scrubber and finally rinsed. Cover a fresh stain with baking soda and let it sit overnight. Cleaning with vinegar solution is best to eliminate the stubborn stains and dirt. Wait 15 minutes for the bubbling duo to do their thing, then wash away with boiling hot water to get rid of the drain. This will kill off mould or mildew and act as a lawn tonic. Vinegar. The consistency should be like a cream soup, meaning it is thick enough to cling to the surface but not too thick to spread. White vinegar. Choose one that suits your particular type of patio – consult your handbook or ask the manufacturer if in any doubt. We have used a 5-1 mix. Use your cleaning solution to wet the patio surface with the solution and scrub. Cleaning mould with vinegar and baking soda. 2. Put a pair of gloves on your hands to protect them from the solution. If you want to use a power washer, do not use it on the maximum setting. Take care when spraying to avoid nearby plants, and repeat applications may be necessary to completely kill the moss. I used it to remove some rust and other stains and it worked. Combine the dish soap, glass cleaner, and warm water in a standard spray bottle. Spread the paste all over the walls of the oven but avoid the heating elements. Table Of Contents. If you take pride in having clean, stain-free paving stones in your garden, this next hack is a lifesaver! Plus it won’t cost the Earth – or impact your bank balance. Download Article. If you take pride in having clean, stain-free paving stones in your garden, this next hack is a lifesaver! Plus it won’t cost the Earth – or impact your bank balance. Step 1: Give It a Quick Rinse. Rinse off the vinegar with water from a hose, and wipe off any standing water. The appearance of baking soda is a fine white powder, but is actually quite abrasive and so can. Scrub the concrete with a soft bristle brush. Use a small brush. Baking soda is the common name for sodium bicarbonate, an ingredient that got its start 4 million years ago when salt lakes around the world evaporated and formed trona deposits. Give baked-on food the heave-ho by boosting the power of your washing-up liquid with bicarb. Baking soda – Baking soda is also a good natural weed killer. 3. ' Prevention is far better than cure when you're cleaning old stone floors. Mix well and then spray or. Baking soda has so many uses around the home and garden and one such use is to get rid of weeds and grass that poke up between your block pavers. Repeat the process as many times as needed. Then, apply laundry detergent and scrub with a stiff brush. Rinse off with the garden hose. Dishwashing liquid is designed to remove grease and grime, making it an effective cleaning agent for outdoor. Note: For limestone pavers, do not use any acid-based cleaning solutions such as vinegar. Once the cleaner has been applied, you then need to brush the solution into the whole surface. Many people use white vinegar (often mixed with soap or salt) to remove weeds from patios, pavers and even flower beds. Now your slab is perfect to pour the detergent, Mix the detergent or soapy water in a bucket full of warm water. Create a cleaning solution of warm water and few drops of dish soap and apply it to the surface. You can vary the strength of the cleaner by mixing more bleach or more water depending on how dirty the paving is. Be sure to rinse it off completely with a hose or water from a bucket, since muriatic acid is a dangerous chemical. Apply to a wet cloth and use to wipe down fridge interior, sinks or bin. Warm water. Give hair brushes a clean. 1. Alternatively, the patio can be cleaned with home remedies. PAVING SLABS are an affordable, easy way to build a durable outdoor entertaining space or entrance to your home. Mixed with water, baking soda dissolves dirt and grease. . Calm indigestion: Add 1/4 teaspoon of baking soda to a glass of water to zap acid in your stomach. Pour baking soda on the stained spot. Put more emphasis on the gaps between each block. The Chemistry of Sodium Bicarbonate. The expert said: “Soda Crystals can also be used to remove old dirt and grime from plastic patio furniture. Make sure you brush the cleaner into all corners of the paving slabs. 4. You can also use it to clean acid-sensitive paving stones. When using chemicals, protective clothing such gloves, boots and overalls should be worn. How often should you clean concrete paving slabs? Most patios only need to be cleaned once a year, and spring is a good time to clear away winter mud and grime. 1. It works by. Bicarbonate of soda. The Chemistry of Sodium Bicarbonate. Add 200g soda crystals to 1 pint (500ml) of hot water and wait for them to dissolve. Start from one end and work your way systematically to ensure even cleaning. For a gentle cleaning solution, add one half cup of baking soda to 1 gallon of water. 3. ”. Allow the area to dry and then inspect. Apply washing-up liquid or laundry detergent to the stain and allow to sit for 20. Revive lawn by spraying with 1 tablespoon bicarb to 4L water. Paving slabs take some care in order to continue looking sharp, and typically need a pressure washer to give them a. This creates a safe, natural chemical reaction that results in carbon. Paving slabs take some care in order to continue looking sharp, and typically need a pressure washer to give them a. Break up the New Spill. Spread the mixture over the concrete with a. Many people use white vinegar (often mixed with soap or salt) to remove weeds from patios, pavers and even flower beds. Mix equal parts baking soda, water and salt for highly soiled areas. Mix well and then spray or pour onto the pavers. This creates a safe, natural chemical reaction that results in carbon dioxide gas and water. Daub it over the oil stain using an old paintbrush and allow it to dry for at least 24 hours. While it may look like it's cleaning, vinegar will actually degrade the cement binding and slowly strip away the protective sealant from concrete and stone tiles. #4. Then, mix up your detergent and soda in equal amounts with cold water until you’ve got a paste. Pre-treat the limestone surface. Take care when spraying to avoid nearby plants, and repeat applications may be necessary to completely kill the moss. 5, higher than saltwater and just below solutions containing. Vinegar is a safe, biodegradable cleaning solution that helps you easily clean your pavers. Kill patio weeds with vinegar. Next, slowly pour or spray white vinegar over the baking soda. Then, water it with a watering can or hose. That should work its way through any tough stains that you may have trouble with. Cleaning Paving Slabs With Bicarbonate Of Soda. Use 1: Laundry. A smaller scrub brush could be used in tight corners or smaller areas. 3. How often should you clean concrete paving slabs? Most patios only need to be cleaned once a year, and spring is a good time to clear away winter mud and grime ahead of summer. To use this method, mix about 20 ounces of bleach with five gallons of water and pour the mixture into a spray bottle or garden sprayer. Step 5 – Use a pressure washer on a. You. We have used a 5-1 mix. “Let the cleaning agent sit on the oily stain for about 15 to 30 minutes. Spread the paste all over the walls of the oven but avoid the heating elements. Although, if you have food stains or drips of grease from a barbecue grill, you may want to add an additional thorough cleaning throughout the fall. Slabs achieve their highest strength, have the most abrasive, wear-resistant surfaces, are the most impervious, and have the best resistance to shrinkage when they are wet-cured. Sweeping is important before starting the cleaning process. While it may look like it's cleaning, vinegar will actually degrade the cement binding and slowly strip away the protective sealant from concrete and stone tiles. Use a nylon-bristled scrub brush to remove tough stains and hard-to-reach areas. Scrub it in using a stiff brush and leave for at least 15 minutes. Brush this bleach-water solution over the paved area, scrubbing with a long-handled brush. The humble brush and soapy water can also go a long way when it comes to cleaning paving slabs. One very unconventional yet very effective way of getting rid of unwanted paving weeds is by using bicarbonate. 1. Scrub pavers well. Make sure all cleaning product has been rinsed away. Switch the water pressure to medium. Using boiling water is another way that can remove moss from concrete. Make sure you brush the cleaner into all corners of the paving slabs. Fill a garden sprayer or bottle sprayer with water and add the bleach. This will kill off mould or mildew and act as a lawn tonic. Once you’re done, mop with clean water. To begin, add half a cup of baking soda to one gallon of water. Make up a 50:50 vinegar and water solution, and apply to the paving – using a watering can will help you get even coverage. Mix equal parts vinegar and warm water. Scrub any stubborn spots with a grill brush or kitchen scrubber. Mix with water to deep-clean stains. Pour the bleach mixture on the slabs and wait for 30 minutes. Let the mixture sit for at least 15 minutes before scrubbing off each paving slab with a brush or sponge. "Mix your soapy solution around until you start to see foam forming on the top," Fiona advises. Dust the baking soda on your block paving, getting it into the gaps using a broom. “Baking soda, being a mild abrasive, helps break down stubborn dirt and grime without. But acid doesn’t cause all kinds of indigestion, so if your symptoms don’t improve after 2. We take a look at how to clean paving slabs with bleach and water. Prepare a solution of 5% sodium hydroxide . For enzymatic treatments: Clean spots with a two-to-one vinegar and water mixture, TSP or hydrogen peroxide and rinse off the concrete. The pavers absorb the cleaning solutions better wet than dry. To deodorize the disposal pour ½ a cup of baking soda down your drain. We have the best patio cleaning products for most types of patios. You want them to be damp, not soaked. Test the alkalinity of soil by adding a pinch of bicarb to 1 tablespoon of soil. Formulated to cut grease, dish soap is another effective solution for treating oil stains on a driveway. Rinse and scrub with clean water, then repeat as required. One very unconventional yet very effective way of getting rid of unwanted paving weeds is by using bicarbonate of soda. Step 2: Once the hose is connected, open the water supply located on the handle. Wipe the oven walls clean with a damp cloth, removing as much bicarb as you can. Use a push broom with thick, tough bristles to apply the soap to the stone. Spray on a 50/50 vinegar and water solution. You’ll need to leave the stain for about an hour. 6. 5. Baking soda is an excellent scrubbing agent to remove plaque, a sticky coating of bacteria that builds up on teeth. Then pour the same amount of white vinegar into the drain. Rinse the surface thoroughly with clean water, from a bucket or pipe. Be sure to do this method once every 2-4 weeks when the weather outside isn’t too windy. Mix one part acid to 10 parts water. Using a spray bottle, thoroughly soak the bricks with the solution and let it sit for 20 - 30 minutes. Repeat as needed. Use a bowl to mix bicarbonate of soda and water until you achieve the consistency of a spreadable paste. Second, mix it well and spray or pour it to your pavers. Leave it for as long as possible (ideally. The consistency should be like a cream soup, meaning it is thick enough to cling to the surface but not too thick to spread. In addition, pavers can be cleaned with a small pickaxe, broom, and garden hose. 6. Treat your concrete like an extension of your kitchen floor, and grab your mop and broom and give the area a good once-over, per SF Gate. co. You will have to scrub the areas with more dirt for longer. Again, repeat every month, six weeks at a maximum! Salt Water. Let it sit overnight so the baking soda can absorb the oil, then brush away the powder. The first step and simplest way to clean your paving involves simple brushing with soapy, warm water. Then, generously sprinkle baking soda onto the stain. Add a little detergent for a super clean finish. You can and should also give the area a sweep between deeper cleanings. Leave for a day or two, until the moss goes brown, then brush off and rinse with plenty of water. Sinks. Soak these kitchen staples in bicarb and. Mix the Cleaners. Hard-bristled brush. Leave on for 30mins then wash off with soapy water and a stiff brush. This ensures 100% Kill of the moss and. The acetone is normally used as an oil-based cleaner instead of paint thinner. All you have to do is: Fill a bucket with a cup of baking soda and warm water. Some strong detergent paired with water, a scrub brush, a sponge, and some good old fashioned elbow grease should do the trick. If the stain is still there, repeat the entire process. However, undiluted vinegar can be used to remove difficult stains, and baking soda can be mixed with vinegar for moderate cleaning and whitening. 5-1 cup bicarb in 2. White vinegar is also a great weed & moss killer. If the stain is still a little oily, then sprinkle the bicarbonate. In addition to special paving stone cleaners, there are home remedies such as soda, vinegar, and washing up liquid that can be used to clean pavers. All you have. Put a small squirt of soap on your damp cloth and rub it over the surface. We also have a helpful guide on cleaning paving without the use of a jet washer. Using a pressure washer might seem like the best option, but a new chemical-free hack has revealed how to restore your patio's shine using a £2 bottle of white vinegar. 9. 1. 2. They recommended letting the bleach sit for “15 minutes. Vinegar and baking soda are natural cleaning agents that can be used to clean patio slabs. Sprinkle 1/2 cup of baking soda down the drain and follow it with 1/2 cup of white vinegar. Also known as sodium bicarbonate or plain baking soda, it’s famed for its natural abrasiveness and uncanny ability to absorb odours. 6. General cleaning - Mix 2 tablespoons of baking soda with 500mls warm water for a fantastic kitchen cleaning solution to effortlessly clean. Make up the solution and use it to wash down the area by applying from a watering can. Most outdoor tiles are sealed for protection from the elements, so it’s important when cleaning not to damage or remove the coating. Boiling Water. Use a stiff brush to clean off the moss layer and rinse it off the concrete. Then pour the mixed solution on a stained area. Mopping with a soft cloth and warm water will leave the slabs shining. Eventually, the roots of the weed dry out, and it dies. Sprinkle some baking soda over the affected area and leave it overnight. Also, if you want to. Does baking soda clean pavers? Baking soda has low-abrasive properties, making it an excellent cleaning material for stuck-on grime and. Let the scrubbed area sit like this for 10-15 minutes. Also known as sodium bicarbonate or plain baking soda, it’s famed for its natural abrasiveness and uncanny ability to absorb odours. “Mix it for a few seconds. Vinegar has acetic acid, which draws the moisture out of plants causing them to die. Mix equal parts baking soda, water and salt for highly soiled areas. 1. Seal your driveway. By Rebecca Miller 07:00, Sun, Mar 12, 2023. Then add a little bit of white vinegar. Using a pressure washer might seem like the best option, but a new chemical-free hack has revealed how to restore your patio's shine using a £2 bottle of white vinegar. Spray the weeds growing between the block paving and wait for the mixture to dry up. Superheated steam cleaning is the best way to clean Indian sandstone. First of all, clear any obvious debris off your patio, then get the stones wet, either with a hose or a watering can. Use the brush – and a little bit of elbow grease – to scrub the gaps between the stones and remove the worst of the dirt or moss. Rinse and dry. Clean the dirty water away with a bucket of clean water, ensuring it flows into a drainage point. Also called sodium bicarbonate, baking soda is so effective at eliminating weeds thanks to its high salt content or ‘salinity’. 1. Spray the moss thoroughly and give it a few weeks to see how things look. 4 litres of boiling water. Scrub it in using an old toothbrush or a sponge to help remove tough stains. Tackle the drive. Outdoor concrete is exposed to harsh weather and lots of use, meaning it can start to look grubby quite quickly, despite lasting the test of time. The video has been captioned: “A simple way to remove moss from drives and patios with soda crystals. Our verdict: Use a bottle of ready-squeezed juice for speed, otherwise it's a time-consuming option. Paving slabs take some care in order to continue looking sharp, and typically need a pressure washer to give them a. In a small bowl, combine the ingredients and make sure there is enough to cover the entire burned area. This ensures that the cleaning solution can work directly on the. If there seems to be things stuck on, be sure to spray the patio down too. Then fill a bucket with warm water with a natural product of your choice (either baking soda or white vinegar). Also, cover all the surrounding landscaping and. Pour your vinegar and water solution over your patio (you may need several buckets) and leave the vinegar to work its way into the paving slabs for. Follow these steps: Use a stiff broom to sweep the moss off the joints and pavers. Mix 1/2 pound of baking soda into a gallon of water and pour it into a spray bottle. A paste made from bicarbonate of soda and water (add some xanthan gum if you want to make it a bit stickier) can then be painted all around with a pastry brush. 1. Hailed as a nontoxic cleaning marvel, white vinegar is brilliant at eliminating odours, removing bacteria and getting rid of stubborn dirt. 3. This is a good thing! The vinegar is neutralizing the ammonia in the animal urine and also reacting with the baking soda to pull the rest of it out of the porous concrete. Now soda crystals are pretty powerful, so you’ll want to use gloves if you’re going to be immersing your hands for. Try Vinegar & Baking Soda. Next, mix one-eighth of washing-up liquid into the solution. Download Article. Caveat: the spots and black marks may be the natural surface as the coloured stone has worn away (esp with the pressure washer). Baking soda is an effective deodorizer that removes musty smells from carpets, couches, and fabrics. To help deodorise stinky fridges, wardrobes or drawers simply add some bicarbonate of soda to a bowl. You see, the water could end up pushing the grime further into the pores of the stone. Using a stiff broom, apply a 10: 1 solution of water and sodium hydrochloride (liquid pool chlorine) to the effected area. Let it sit for a while, then mop the patio and rinse it with fresh water. Once it’s all good and dry, cover the more weed infested areas with some dry salt. Common name Algae, lichen, liverwort, moss. tb1234. Moreover, applying sealer will protect your driveway and help to expand its lifespan. If left to sit on the limestone, decaying leaves and other natural debris can stain the stone. 7. To bring tiles up with baking or bicarbonate of soda if that's all you have, make a paste of 2-3 cups baking soda and a little water, or sprinkle directly onto the tiles. Although, if you have food stains or drips of grease from a barbecue grill, you may want to add an additional thorough cleaning throughout the fall. The second option is to make a paste out of baking soda and water and then apply it to. Removing Oil Stains From Your Brick Driveway Pine Hall. Rinse a nylon scrub brush under water and drizzle the brush with dish soap. Step 3 – Add the diluted bleach mix into the wheelbarrow, ensuring all the stones are submerged. Step 4: Spray the area with soapy water and scrub. Although, if you have food stains or drips of grease from a barbecue grill, you may want to add an additional thorough cleaning throughout the fall. Vinegar is a safe, biodegradable cleaning solution that helps you easily clean your pavers. Rinse it off, and it will shine once more. This green interloper is particularly fond of the gaps between patio stones or paving stones. Paving slabs take some care in order to continue looking sharp, and typically need a pressure washer to give them a. How to clean your patio with vinegar. There are useful tools for cleaning paving stones, such as joint scrapers, sweepers, and pressure washers. 4. Vinegar (white or clear, not brown) White vinegar when diluted at a rate of 1:1 with water makes safe and natural cleaner. Scrub the solution into the stones. Use a 50/50 solution of white vinegar and warm water to clean discoloured concrete floors. tb1234. “For the most part, you will not need special products for cleaning paving slabs: a mild, gentle soap such as washing up liquid and water will often work just fine. For really tough stains, you can use a mixture of baking soda and water to form a paste. Spray the patio with detergent. 2. Dilute the bleach in the same amount of water as bleach. Baking soda's cleaning power is mostly physical. Bathroom Cleaner Recipe. It usually works very well and since most of us have these ingredients at home, it won’t cost much to try this method out. Fill a spray bottle with equal parts white vinegar and water, then apply to the slabs. This is another great use for the combination of bicarbonate of soda and white vinegar. Spread the paste all over the walls of the oven but avoid the heating elements. Make sure all cleaning product has been rinsed away. Mixing the Solution: In a large bucket, combine warm tap water with a little washing up liquid squirt. In addition, pavers can be cleaned with a small pickaxe, broom, and garden hose. Baking Soda. PUT SOME MUSCLE IN. Once applied leave the cleaner on the surface for 10 -15 minutes. You can buy commercial products but an easy homemade moss killer using diluted bleach to prevent discolouration is also a good option. “Dirtier patios with more stubborn stains, however, may need slightly more vinegar in the solution. Make up the solution and use it to wash down the area by applying from a watering can.