Fountain Algaecide and Clarifier - 64oz - Kills and Inhibits All Types of Algae Growth, Formulated for Small Ponds and Water Features, Treats up to 64,000 Gallons

I have a three-tiered fountain that hold approx. 10 gals. of water. When I first received this product and tried it in my fountain, it wasn't working. The algae was still present. I was ready to return it. I even corresponded to the mftr. about it not working. Anyway, I decided to completely clean my fountain and start over with clean water. That was the answer. Eureka!!! It works great. Unbelievable. I add about 1/2 oz. to the fountain per week and the water in the fountain is sparkling clean all the time. I have tried many algae cleaners and none have worked, until I found this one. I simple take a 1/2 gal. bottle, add 1/2 oz. of this product and pour it all into the fountain. It has worked so far,, even in the humid, hot SC climate. That bottle will last me 1.5-2 years. Well worth it. I am so glad I didn't give up on it.

Works great!

Just started using this product, so far, it’s working. My pump is stay fairly clean with consistent water flow. Now the test of fall and early winter.

I’ve used several other products, but this is the 1st one that actually keeps the algae from forming in our hot climate. Definitely recommend!

After a while I still had to empty and scrum my pond. The water circulates rapidly but the rocks still grew mossy looking.

I bought this 2.5 months ago for our approx 250 gallon homemade waterfall and am incredibly impressed how clear it's kept the water. 3 ounces per week is all we use. No water plants or fish and no filter. Not prepared to drink it myself but in 6 years of owning this water feature it's been the best forforming product.

This product was worthless against algae. Did not work. You should try HTH Spa 86108 Bromine Tabs, Spa & Hot Tub Chemical Sanitizer. These work like a charm! Wish I'd discovered them before I spent so much money on anti-algae liquid.

I have a concreate two tear fountain that is in full sun and gets Algae bad and turns green. I use this according to the directions after filling my fountain and it keeps the water clear. I will do maintenance cycles if I see green starting to show up and it will clear that up as well. You want to follow the instructions so that you're not accidently poisoning any birds or wildlife that uses your fountain for a water source.