The IceCap CO2 Scrubber can be installed on just about any aquarium with a protein skimmer just by connecting the air intake on your protein skimmer to the output side of the CO2 scrubber. Includes color changing CO2 removing media. Raise pH in Your Reef Aquarium with an IceCap CO2 Scrubber The pH in a reef tank should be around 8.3 for optimal coral growth. If you're struggling to maintain pH or if your aquarium suffers from chronically low pH, connecting an IceCap CO2 scrubber to the air intake of your protein skimmer is a great way to increase and keep your pH level within ideal ranges. Run This Simple Test to See if a CO2 Scrubber Will Help You The Carbon Dioxide (CO2) level in your home or office may be contributing to the low pH level in your saltwater aquarium. A house full of people and pets affects the pH in your tank. In fact, it's usually the cause of low pH in a home aquarium. An experiment you can perform to find out if this is the culprit behind your low pH is to open up the windows and doors in your home for a day to let the excess CO2 escape. After 24 hours, test your aquarium's pH. If the pH level has risen, you can be pretty confident that the CO2 load in your home is high and that a CO2 scrubber will help. Since keeping the windows and doors of your home open all the time isn't an option for most people, a CO2 scrubber is an easy and affordable way to remove CO2 gas so that it doesn't suppress the pH of your aquarium water. Installing the IceCap CO2 Scrubber is Super Easy The IceCap CO2 Scrubber can be installed on just about any aquarium with a protein skimmer. Just connect the tubing from the air intake of your protein skimmer to the output side of the CO2 scrubber. You may be able to remove the silencer from your protein skimmer. Next, remove the lid of the scrubber and fill the reactor with IceCap Carbon Dioxide Adsorption Media (or your preferred CO2 absorbent media) and place it back inside the scrubber. Finally, put the lid back on