Fountain refills

Healthy Ponds All Purpose Water Cleaner Refills are safe and natural and will improve and maintain water quality and clarity in aquariums, fountains, rain barrels and water features from 100 to 2,500 gallons. The patented time-release system is designed to deliver a proprietary blend of natural bacteria and enzymes into the water continuously, over a 30-day period, to consume excess nutrients and eliminate odor.