Fish tanks and small ponds refills

Healthy Ponds Stock Tank Water Cleaner 250 Refills are safe and natural and contain a patented time-release system that continually releases a proprietary blend of naturally occurring bacteria into the water for 30 days, reducing the organic debris that collects in stock tanks. The Stock Tank Water Cleaner is designed to prevent stains, mineral deposits, odor and floating or suspended organic matter by consuming the excess nutrients in the water for improved water quality and clarity.

This product will refill Stock Tank Water Cleaner 250 (52500)