Marineland Maxi-Jet Pro 600 300 filter cartridge Feed one to two times

Feed one to two times daily

All Natural Vitamin-Fortified Calcium Carbonate Substrate

Size: 2"x2"x3

and a bumper guard for fish safety

Use only as recommended and in freshwater aquariums when symptoms of bacterial diseases appear

Marineland Maxi-Jet Pro 600 300 filter cartridge Feed one to two timesMaxi Jet Multi Use Water Pumps are three pumps in one: power head, utility pump, and now featuring a circulation pump option. Still the best power head for powering undergravel filters and running wave maker timers, as well as for running small fountains, calcium reactors and skimmers. The Maxi Jet also contains an in box conversion kit, which can turn the power head into a prop style circulation pump for ultimate water movement inside the aquarium