Seachem Glassware Bubble Counting Diffuser Hang-On Filters It can also be used

It can also be used as a portable device

Seachem recommends the use of Reef Advantage Magnesium® (ammonia free

3 in all saltwater aquariums

Previously known as Blue Planet Bio-Active Aquarium Rapid Start

Seachem Glassware Bubble Counting Diffuser Hang-On Filters It can also be usedThe Bubble Counting Diffuser is a pollen style CO2 diffuser that connects to CO2 injection systems to easily disperse CO2 gas into the planted aquarium. The built in bubble counter allows for easy monitoring of the rate of CO2 injection. The inclusion of a bubble counter in the diffuser makes the use of a bubble counter on the CO2 tank or in line unnecessary. The Bubble Counting Diffuser has a 17 mm disc. Monitor rate of CO2 injection For aquariums up