IceCap CO2 Scrubber Large, Includes color changing CO2 removing media

The IceCap CO2 Scrubber will not only raise your pH by a couple of points, but it will also help maintain it at higher levels. Having low pH results in slower coral growth, so by boosting it with the IceCap CO2 scrubber, you’ll be able to achieve faster growth and experience fewer pH swings.

eBay