Interpet Extract Of Barley Straw 250ml / 500ml

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.