Direct sunlight enables more rapid algae growth. Help minimize algae proliferation by keeping your fountain in a shady or covered area.If a completely shaded area is not available, a partially shaded area may still help slow algae growth.
Also consider placing a cover such as an umbrella or awning in the area near your fountain to help provide shade if no natural shade is available.;
, Tap water and even filtered water still have natural impurities present in them. Distilled water has all of the impurities removed, which can help slow algae formation and prevent algae growth.For larger fountains, distilled water is likely impractical. However, adding a good filter where your fountain draws or recycles water may still help remove some impurities.
 The best time to start using algae prevention products is right after you have set up or deep cleaned your fountain. Commercial products are available online as well as at home improvement and maintenance stores.If you are concerned about the health and safety of wildlife using your fountain, look for animal-safe products. Most products found in pet stores and hardware stores will be animal-safe, but it is important to check the labels.
Common products include Algae Shield and SeaKlear. If wildlife is not a concern, such as with indoor fountains, a cap of bleach may also work as a preventative measure.
Before applying an anti-algae agent to your fountain, check the manufacturer's instructions to make sure that the product you purchased will not damage your current fountain setup.
Product instructions will vary by product, but often all you need to do is add product to the water on a regular basis to the running fountain.
 Changing the water helps eliminate current living algae and prevents buildup in your fountain’s pump system. Completely empty your fountain of old water and allow it air dry before filling the fountain.If possible, rinse down your fountain and wipe away any buildup or residue from the fountain surface as well as any decorative features such as stones before refilling it.
 The pump is responsible for cycling water through the fountain, reducing algae's ability to grow. Scrub the pump's parts with a sponge or a firm-bristled toothbrush and distilled water.If you need to open the pump in order to get at interior parts, follow the manufacturer's instructions. All pumps are different, and what works for one pump may not work for another.
 The pump cannot function unless it is entirely underwater. Keep the pump submerged to keep water cycling through and prevent algae from building and growing on the surface.It is common to have to add water to your fountain for the first several days after setting it up in order to ensure the pump stays submerged.
 Your fountain should receive a deep cleaning every two months. Turn off and drain the fountain and wipe it down with a fountain cleaning solution, which may be available from a speciality retailer or online, or dish soap.Opt for dish soap if you are looking for a product that is friendly for animals such as birds and small mammals that may make use of your fountain.
Go over the fountain with a toothbrush to scrape off algae and other organic matter.
Be sure to thoroughly rinse the fountain after using soap, as it may damage the fountain if left on its surface.
Clean the fountain's tubes using pipe cleaners, such as can be found at any hardware or craft store, to scrub out the pipe interiors.
 If you find that your fountain has developed noticeable algae, the first thing you need to do is thoroughly scrub the individual components of your fountain. Take your fountain apart and clean each surface using soap and hot water and allow to air dry before reassembling.Wipe down the fountain with distilled white vinegar or a solution of 1 cap of bleach per gallon of water before soaping and rinsing the fountain. Rinse bleach thoroughly.
 Unlike preventative treatments, algaecides are meant to kill off existing algae growths within a fountain. Algaecides are available in home improvement stores as well as online and specialty retailers.Check the algaecide bottle to see how to properly use the product. Check the bottle to see how much product should be added to the water and at what frequency.
Non-metallic algaecides work better in fountains as they are less likely to stain.
 If heavy algae growth continues for extended periods in your fountain, consider replacing the pump to get better water movement and circulation. You may be able to do this yourself, or you may want to call in an expert depending upon the size of your fountain and your level of experience.Fountain pump systems can differ greatly. Check with your manufacturer to see what components your fountain requires.
Place your fountain in the shade.
Use distilled water.
Use a preventative product.
Change your fountain water monthly.
Clean your water pump.
Submerge the pump.
Deep clean your fountain.
Scrub your fountain.
Use an algaecide.
Replace your pump.
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