Seachem Bubble Counting Diffuser aqua vivo To determine your desired volume

To determine your desired volume multiply tank width by length by desired depth

Includes check valve and flexible connection fittings that rotate 180° to suit your installation

Store in cool dark environment

But it is not that much of a problem for aquatic plants because

Seachem Bubble Counting Diffuser aqua vivo To determine your desired volumeThe 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