Seachem Glass Bubble Counter Dried Fish Food Plug recesses fit approximately 11

Plug recesses fit approximately 11 mm or 0

Oceans Wonders 3 Inch Frag Tiles - 10 Piece are square porous frag tiles for mounting large or irregular coral frags in reef aquariums

pumps and other aquarium equipment can lose performance as calcium deposits

Operating Wattage: 0

Recommended aquarium size: 60-200 cm / 2-6 ft

Seachem Glass Bubble Counter Dried Fish Food Plug recesses fit approximately 11Seachem Glass Bubble Counter Seachem Glass Bubble Counter is a simple glass CO2 monitoring accessory for planted aquariums, designed to let aquarists visually count bubbles and fine tune the rate of CO2 injection. Seachem Glass Bubble Counter for Planted CO2 Systems The Glass Bubble Counter is installed in the CO2 gas line so the bubble rate can be checked at a glance. This helps make planted aquarium CO2 adjustment easier while keeping the equipment