maintains constant pH water levels. Two outlets for valve control long-lasting acrylic construction Small profile—it fits beneath your tank with ease. Union connections for input and output Barbed intake for a recirculation system that is optional By reducing the amount of dissolved carbon dioxide in the water, the Reef Octopus CO2 Scrubber is a multipurpose reactor that aids in regulating the pH levels in reef aquariums. For the best coral growth, a reef tank's pH should be approximately 8.3. If your aquarium's pH is consistently low or you struggle to maintain it within the ideal range, adding a Reef Octopus CO2 Scrubber to your protein skimmer's air intake is a great way to raise and maintain your levels. If you want to raise the