Tropical Science PondKeeper Rapid Cycle

PondKeeper Rapid Cycle

Speed up pond cycling and achieve a balanced ecosystem faster with Tropical Science PondKeeper Rapid Cycle. This concentrated biological starter introduces millions of live beneficial bacteria that convert harmful ammonia and nitrite into safer compounds, stabilizing your pond’s water quality quickly after setup or maintenance.

Key Features

• Rapidly establishes biological filtration in new or cleaned ponds

• Detoxifies harmful ammonia and nitrite

• Supports stable, clear, and healthy pond water

• Safe for koi, goldfish, plants, and wildlife

• Ideal for spring openings and after water changes

Product Specifications