Pond Force™ Barley Straw Extract Natural Water Clarifier Size:16 Ounces Gold Label Black Pond &

Gold Label Black Pond & Aquarium Sealant is powerful underwater sealer that can be used to bond all surfaces in all types of ponds and water features

Other than mass production

Designed for external use with saltwater or freshwater aquariums

The included check valve prevents back pressure on the compressor

Winkler dissolved oxygen test will give false

Pond Force™ Barley Straw Extract Natural Water Clarifier Size:16 Ounces Gold Label Black Pond &Pond 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.