BLACKGOLD is a specially manufactured Granular Activated Carbon (GAC) which uses a patented high pressure steam activation process that produces superior pore space throughout each individual granule.
With daily use of BLACKGOLD, it removes dissolved organic waste, foul odors, toxins, chloramines, chlorine, hydrogen sulfide and water discoloration (yellow tint). It will not raise phosphate levels and affect pH in the aquarium. It is safe for all types of aquariums, even sensitive reef systems with complex organisms.
BLACKGOLD is certified and met the requirements of the U.S. Food Chemical Codex for human drinking water.
For saltwater and freshwater aquariums.
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