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Hydrothol Granular provides control of both weeds and algae. Used primarily as an algicide at rates of 0.05-0.3 ppm, it provides excellent control of a broad spectrum of algae including planktonic, filamentous, and branched algae. It works relatively quickly providing algae control in a few days. There are no restrictions on treated water used for swimming, fishing or irrigation*.
*Read and follow label directions.
Weeds controlled by Hydrothol® Granular
Hydrothol® Granular is registered in all 50 states EXCEPT AK and HI., Check with your state authorities for permitting requirements