Use cautiously, and only if you have not succeeded using the other more natural products, like barley pellets.

Excellent results for the little ponds. Great clear water. You will actually be able to see your fish

Excellent results without any effort. Works like a charm. Best used in smaller ponds where barley bales would be a mess.

In the summer when you need it the most, the barley is there for you. Killing the string algae at its peak season.

Great for dropping in the smaller water gardens. Perfect for container gardening. Easy and no mess.