The best fountain secret in the world . . . who knew Hydrogen Peroxide was an awesome fountain cleaner all this time? And almost magic in the way it works. I have seen it clear a green and murky fountain to crystal clear water in 24 hours. It does not hurt the wildlife either, because it turns into oxygen by the time those 24 hours are up!
The instructions said, "use a gal jar and a type of stand place the jar in the water on it's side, let it fill with water(completely sbmerged) then tip it up slowly bottom up, and place the jar mouth into the stand, making sure to keep the mouth under water