Pond Force™ Barley Straw Extract Natural Water Clarifier Size:16 Ounces Their shape facilitates high surface

Their shape facilitates high surface area that promotes beneficial bacteria colonization

Large 2" spring check valve allows for high flow

Compact design makes it ideal for vertical and multiple pump applications

Threaded center stand pipe securely attaches dome lid to base

Pond Force™ Barley Straw Extract Natural Water Clarifier Size:16 Ounces Their shape facilitates high surfacePond Force Barley Straw Extract is a naturally derived water clarifier derived from barley straw. This liquid extract harnesses the clarifying power of barley straw while eliminating the unsightly appearance and eventual decay of barley straw. Each ounce treats up to 500 gallons.