Penn Plax Cascade 100 Watt Adjustable Heater Part # CH8100 --- Penn Plax Cascade PF This filter features a Bio-Sponge

This filter features a Bio-Sponge cartridge that optimizes colonization of anaerobic bacteria

Part# 8119

The bacteria thrive on the masive surface area

Hydor 150 Professional Canister Filter Black Coarse Filter Pads Pack of 2

& Reefer Skimmer 900

Penn Plax Cascade 100 Watt Adjustable Heater Part # CH8100 --- Penn Plax Cascade PF This filter features a Bio-SpongePenn Plax Cascade 100 Watt Adjustable Heater Part # CH8100 For 20 Gallon Tank Accurate to 1 Fully Submersible Mount Horizontally or Vertically Factory Preset at 76 Temperature Dial Adjustment Fresh or Saltwater Safe Visible & Accurate Temperature Setting Scale Easy View On Off Light Length 8. 5"