10 Best Patio Cleaner For Algae
Updated on: September 2023
Best Patio Cleaner For Algae in 2023
Scotts Outdoor Cleaner Plus OxiClean Ready-To-Spray, 32 oz
Mr. Clean, FG411 Outdoor Cleaner, Hose End, 64-Ounce

- Ergonomic Hose End Sprayer
- Covers up to 4.500 square feet with No Scrubbing
- Concentrated formula powers away dirt, grime and mildew stains
- Won't harm your plants
- Works great on siding, deck and patio - also will reach 2nd story
Wet & Forget Roof and Siding Cleaner for Easy Removal of Mold, Mildew and Algae Stains, Bleach-Free Formula, 48 OZ. Hose End

- Sprays up to 30 Feet for Hard-To-Reach Areas Like Second Story Siding or Roofs
- Up to 2,000 Square Feet Coverage per Bottle
- Easy Spray and Leave Outdoor Cleaner- No Rinsing or Scrubbing
- Not for sale in California; Non-refillable container
Wet & Forget No Scrub Outdoor Cleaner for Easy Removal of Mold, Mildew and Algae Stains, Bleach-Free Formula, 64 Oz. Ready to Use

- Bleach-free, biodegradable & unlimited shelf life
- Cleans moss, mold, mildew and algae stains
- Convenient ready-to-use formula with attached sprayer
- Coverage: 60-180 square feet
- Easy spray & leave formula; No scrubbing or rinsing
Simple Green 8541813566 Oxy Solve Total Outdoor Pressure Washer Cleaner, None

- Cleans a wide variety of surfaces such as wood, composite, vinyl, metal, fabric, plastic, wicker, concrete, stone, brick and asphalt
- Lifts dirt, grime and stains from mold, mildew, moss and algae
- Uses the power of peroxide to lift grime without harsh chemicals
- Safer, orally non-toxic formula
- Pressure washer concentrate cleans up to 6,400 sq. ft.
EcoClean Solutions Mold, Mildew & Algae Remover | No-Scrub Stain Remover | Instant Results for All Surfaces (1 Gallon)

- 60 DAY HASSLE FREE MONEY BACK PROMISE! SEE RESULTS IN A MATTER OF MINUTES - Fighting with stubborn and clinging mildew, mold or algae? This powerful cleaner will help you eliminate and get rid of those nasty mold and mildew stains in a matter of minutes! Each Gallon treats 300 to 400 square feet!
- MAGIC NO-SCRUB FORMULA - Forget about mold and mildew cleaners requiring tedious scrubbing work! Simply spray the affected area and watch mold and stains literally disappear – ZERO SCRUBBING necessary!
- USE FOR ALMOST ANY SURFACE - Safely eliminates mildew, mold, and algae from shower walls, toilet bowls, bathtubs, stainless steel sinks, kitchen and bath tiles, brick surfaces, concrete driveways, AC Units, wood decks etc. Ideal to use in kitchens, bathrooms, basements, attics, boats, fencing and exterior.
- SIMPLE AND EASY TO USE - Apply mold and mildew remover spray at full strength. Before full application, test and let dry on an inconspicuous area. FOR BEST RESULTS: Spray on the affected area from bottom to top. Rinse with water. No scrubbing or rubbing required.
- SAVE TIME AND MONEY - Safe and effective cleaning of mildew, mold, and algae within a matter of minutes! Save yourself the cost and trouble on mold remediation and get rid of those nasty stains today!
Outdoor - Garden - Patio - Scrub Brush - Clean and Remove Algae, Mold, Mildew, and Moss - Deck Brush - Bird Bath - Fountain - Garden Statues - Gnomes - Concrete Cleaner - Stone - Patio Furniture

- Clean, Scrub and Restore garden statuary, bird baths, headstones and monuments. Works great on concrete, brick, fireplace, stone, sidewalks and driveways.
- Need to clean or scrub large outdoor surface areas? The Red Stiff 4-inch flat brush is well suited to concrete pools and ponds, stone walks, decks, driveways, and larger tile surfaces.
- This brush utilizes a rugged steel shaft that won’t spin out and has a quarter-inch quick-change connection for rapid changing of components. This shaft makes our brushes compatible with both cordless drills AND drivers.
- 4 inch diameter Red Stiff power scrub brush,Cordless drill NOT included
- All Drillbrush Products have a 90 day no questions asked Money back Guarantee. If you are not completely satisfied with our product we will issue a full refund or ship out a replacement at the buyer's request. Cordless Drill NOT included.
Wet and Forget 10587 1 Gallon Moss, Mold and Mildew Stain Remover

- Non-caustic, Non-acidic, Contains no bleach
- Safe on any outdoor surface
- One step process. For concrete, brick, stucco, aluminum, painted surfaces, siding, decking, roofs and more
- No scrubbing or rinsing required
- Not for sale in California
WM BARR FG505 house-primers, 1-Gallon

- Restores the natural look of decks to weathered, discolored wood
- Ideal for wood siding, fencing and decks
- Available in a gallon size
- Model number: FG505
Simple Green Oxy Solve Deck and Fence Pressure Washer Cleaner - Removes Stains from Mold, Mildew & Dirt on Composite, Vinyl, PVC and Wood Decking and Fencing - Concentrate 1 Gal.

- Cleans decks, fences and other outdoor structures such as pergolas, gazebos and carports
- Lifts away tough grime, oils and grease and eliminates stains from mold, mildew, algae, moss, mud and clay
- Uses the power of peroxide to lift grime without harsh chemicals
- Lifts off tough tree sap, grease and oils from decks and fences
- Pressure washer concentrate cleans up to 6,400 sq. ft.
How to Clean Algae Off Aquarium or Big Rocks
Rocks adorn the bottom of fish tanks, but often they become covered with algae. When this happens, it is important to clean the algae off before it becomes stuck on tight.
Rock looks nice whether you have a large boulder in your yard or small rocks covering the bottom of your fish tank or aquarium. But when those rocks are exposed to constant moisture, or if you live in an area that has high humidity, this can change your white rocks into a green, slimy looking mess. You can often find algae growing on the north side of a tree. This is because this side of the tree generally stays moist and it is out of direct sunlight. If you want to bring the original color back into your rocks, all you need to do is wash them. If you do this often, you can keep the green algae under control.
Cleaning Aquarium Rocks
If you have small rocks from the bottom of your fish tank, you will need to remove the fish and place them into a separate holding tank. Siphon out most of the water until you are down to the rocks at the bottom. Scoop the rocks out of the tank with your hands or a plastic scoop and drop them into a colander. You may need to do this in batches, if you have a lot of rocks or if they are extra dirty with algae.
Rinse the Rocks Under Water
Hold the colander under running water to wash the algae off the rocks. This may be enough to clean them if there is not much algae growing. If your tank is like mine, I hate to admit but I tend to put things off and don't clean my rocks until they are totally covered in green. For problems this bad, you will need to continue with the following steps.
Transfer the rocks into a container and fill with water. There is a special tool called an algae scraper and you can find this at most fish supply stores or online. Use this tool to scrub the algae off the rocks.
When you are finished, rinse the rocks under clear running water for several minutes.
Wash With Bleach
Fill a bucket with bleach and water mixture. Use one-fourth cup bleach to one-gallon clear water. Add the rocks and allow them to soak for at least 15 minutes. Bleach will kill the algae and keep it from growing back. Don't soak the rocks any longer than 15 minutes in the bleach solution. If needed, you can scrub the rocks with a brush, but remember to wear rubber gloves to protect your hands. in the bleach water.
Rinse the Rocks Thoroughly
At the end of 15 minutes, rinse the container out and refill it with cold water. Pour the aquarium rocks in and allow the rocks to soak for another 15 minutes.
Transfer the rocks to a colander again. Hold the colander under clear running water and thoroughly rinse the rocks under the water. You will need to rinse all traces of bleach away otherwise you risk killing your fish and/or aquarium life and plants.
Large Rocks
If you have larger rocks outdoors most of the time spraying them with the sprayer nozzle of you hose will be enough to remove the algae. If you find that this does not clean the rocks to your satisfaction, you can clean the rocks with a nylon brush.
Scrub the Algae Away
Fill a bucket with hot soapy water. Dip the nylon brush into the water, and then scrub the algae off the rocks. If the algae is old, crusted on or just seems impossible to scrub off with the brush, you can use a scalpel or knife to scrape away stubborn algae growth.
Rinse the rocks often with clear water to help wash off the algae as you work. This shows you any areas that need more scrubbing or scraping.
Reference
The Aquatic Critter: Freshwater Aquarium Maintenance
Virginia DEQ ProbMon Benthic Algae Sampling Procedures; Virginia Government 2020