The ANS CO2 Drop Checker (Nano) is designed for measuring the amount of CO2 in your aquarium water. To get an optimum amount of CO2, adjust your CO2 output according to the colors shown in the drop checker.
Each piece is individually handcrafted.
Includes indicator solution and colour chart.
1 to 2 drops of reagent per use
Reverse Osmosis Membrane Cartridge.
Carbon Block Water Filter reduces chlorine taste and odor.
10 micron filtration.
No release of carbon fines.
The resin replacement cartridges are easy to install and virtually hassle free. You can change the resin cartridges in less than 5 minutes. \
GAC Replacement for RO/DI unit