BarleyMAX is a concentrated Liquid Barley Extract. Barley is known to be a very effective natural algae inhibater. It comes in the sizes 8 Oz., 16 Oz., 32 Oz. and 1 Gal. with an application rate of 4,000 Gal., 8,000 Gal., 16,000 Gal. and up to 64,000 Gal.
