Clear-Water barley straw extract pond treatment naturally keeps pond water clear without synthetic chemicals. As barley straw slowly decays, byproducts are released that aid in maintaining water clarity. Summit's Clear-Water barley straw extract is the pure extract of barley straw that is fast acting and ready to use. It is completely harmless to fish and other plants. Barley straw extract may be used at any time but best results have been reported by people starting in early spring when the water temperature is low.

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