This product works to keep the water in your pond or fountain clean and clear of that icky green algae.  The Tetra Pond Fountain Block works to clean cloudy water and suspended algae so you can just enjoy your water feature.  One block of this treats 30-80 gallons of water. 

Do you have fountain that you want to keep clean naturally, while preventing buildup of organic materials?  Our Small Fountain Cleanser is the answer for a safe and natural alternative to keep your fountain pristine and full of crystal clear water. This Small Fountain Cleanser is 100% Eco-friendly and bio-degradable for a bacteria free and safe way to keep all surfaces clean.  Will not cause harm to wildlife, aquatic animals or plants, when used in accordance with directions. This cleanser stops sludge, ammonia, cloudy water and mineral deposits from developing, so what you get is crystal clear, healthy water.  Also, prevents your water lines and pumps from organic build-up, so your fountain works as good as the first day you got it.  Naturally spurs the growth of healthy bacteria. 

Use weekly or when you change your water for optimum performance. One full cap treats up to 100 gallons of fountain water. Dirty fountains can also benefit from Large Fountain Protector and will begin to safely breakdown organic contaminants and loosen mineral deposits. For badly contaminated fountains, use product as directed. It may take several weeks to establish clean and clear water. For best results, start with Large Fountain Protector when starting your fountain, to encourage clean water with the use of natural enzymes.