Barley Extract works faster than barley straw or barley pellets to reduce algae growth, but needs to be applied more often.

Barley Extract works faster than barley straw or barley pellets to reduce algae growth, but needs to be applied more often.

Pond Dye helps reduce algae growth in ponds by reducing the amount of sunlight that enters the pond. Submerged algae (and plants) cannot grow if they don’t receive enough sunlight.