What are the different kinds of algae?

Planktonic – The type that changes the water color. Usually green (pea soup) or brown or even red. Filamentous – The type that is mat forming. Prior to forming surface mats it may appear as stringy strands beneath the surface often attached to dock legs,...

When should I apply?

Generally you should apply when the weeds are actively growing and the water temperature approaches 60° F.

How do I apply liquid products?

With the exception of Sonar, liquid herbicides must be sprayed, covering the entire treatment area evenly. Sonar can be simply poured into a pond in various locations as it stays in the water for up to 90 days.