GC Tek Media Agitator Replacement Spring Check Valves Style:Retro Style plugged or frozen

plugged or frozen

with 60% active ingredient

These pellets slowly release the bacteria and enzymes to address the problems that cause poor water clarity

Compatible with freshwater and saltwater aquariums

The Pond Digger Cold Temperature Beneficial Bacteria has been scientifically blended and tested to produce maximum sludge-eating

GC Tek Media Agitator Replacement Spring Check Valves Style:Retro Style plugged or frozenShips directly from the manufacturer, typically in 5 7 business days These replacement spring check valves are used as replacements for the double union check valves used on AquaBead filters. Available for older (retro) style and new (current) style media agitators.