Easy-to-use liquid barley solution clears murky pond water. Eliminates the need for bales or pellets. Economical - one 16 oz bottle treats 4,000 gallons of pond water. Enjoy the results of barley without bulky bales or pellets. Concentrated solution of barley, peat, and natural activators quickly clears murky pond water and buffers pH for a more stable pond environment. Safe for ponds visited by pets, birds, and other wildlife.