Extract Of Barley Straw 500ml Bottle

Naturally Clears Green Water And Blanketweed From Ponds. This Product Works At Least 1 Month Quicker Than Ordinary Barley Straw And Is Far Easier To Control. The Extract Provides The By-Product Of The Straw That Kill Algae. Extract Of Barley Straw Is Harmless To All Vascular Plants And All Water Wildlife.