Guides & Journal

A properly installed aquarium CO2 system provides a controlled source of carbon dioxide to support healthy aquatic plant growth. Successful CO2 injection depends not only on the equipment itself, but also on correct installation, appropriate working pressure, consistent delivery, effective circulation, and reliable monitoring. This guide explains how to install and operate a pressurized aquarium CO2 system, adjust working pressure and CO2 flow, use a bubble counter and drop checker, establish a …

The Complete Guide to Aquarium CO2 Drop Checkers How to install, read, troubleshoot, and properly use CO2 drop checkers in planted aquariums. Preparing the CO2 Indicator Solution The correct indicator solution for a CO2 drop checker is a combination of 4 dKH reference solution and a pH indicator such as Bromothymol Blue. With the drop checker upside down, fill the reservoir approximately halfway (or according to the manufacturer’s recommendation) using 4 dKH solution. A syringe or pipett …