CURRENTLY SOLD OUT
Helps to control algae. A little bit concern about the health effect on the birds that use the fountain to drink water.
Verified purchase: Yes | Condition: New
I will use this every summer. I've had less maintaining hassles this summer. Less filter changes and less back aches. Please put me on mailing list for next year.
Verified purchase: Yes | Condition: New
One or two of these will clean up your waterfall/pond fast.
Verified purchase: Yes | Condition: New
Too small. Pond blocks are bigger.
Verified purchase: Yes | Condition: New
Good for controlling algae in a pond with plants and fish perhaps but don't waste your money if you are trying to keep a fountain clean.
Verified purchase: Yes | Condition: New