Rock Fish Cave 30" Long Aquatic Plant Supplies recommended air flow through diffuser

recommended air flow through diffuser is

plus photo eye for turning fountain lights on and off at dark

Dosage Rates: Application rates vary from about 6 to 12 ounces per acre for surface application and greater amounts for sub-surface treatments

3" inlet/outlet unions included

Rock Fish Cave 30" Long Aquatic Plant Supplies recommended air flow through diffuserKeep your fish feeling safe and secure with a molded rock cave. Built with tough composites, these natural looking shelters offer safety from predators and weather while blending seamlessly into your pond's landscape. Realistic cave molded from real wood Strong poly resin construction Multiple entrances and exits for easy access Dimensions 30" long X 18" wide X 11" high