CrystalClear® Spring & Fall Prep Cold Water Bacteria with Barley Size:24 Packets lightweight BioBalls are easy to

lightweight BioBalls are easy to clean and reduce channeling

Algae Defense® should not be used in ponds with koi

A one-way valve on the front of the multiport valve allows air in without letting water seep out

Model Effective (Diffusing) Length Overall Length ST-150 150mm (5

Naturally occurring organisms will decompose the lignins in the barley releasing humic substances into the water

CrystalClear® Spring & Fall Prep Cold Water Bacteria with Barley Size:24 Packets lightweight BioBalls are easy toCrystalClear Spring & Fall Prep contains cold water natural bacteria designed to accelerate the decomposition of leaves, twigs, much and other sediment during the fall and winter months while replenishing winter bacteria loss during the spring. These easy to use, water soluble packets should be applied weekly to keep your pond looking its best even when water temperatures are between 35F 60F. Replenishes loss of winter bacteria during spring start up