Marineland Black Diamond Premium Activated Carbon 10 Ounces, Filter Media for Aquariums Fluker Farms The API REEF MASTER TEST

The API REEF MASTER TEST KIT comes with four different tests that are specifically calibrated to measure these levels in reef aquariums

4% max Moisture 82

like fresh turkey

48% Copper 24

Marineland Black Diamond Premium Activated Carbon 10 Ounces, Filter Media for Aquariums Fluker Farms The API REEF MASTER TESTBlack Diamond Media Premium Activated Carbon eliminates discoloration, odors, and impurities and keeps on doing it long after other carbons quit. Heat activated bituminous coal based Black Diamond Media granules are specially sized and far more efficient than inferior coconut, wood or peat based carbons. Black Diamond Media works as much as twice as fast as the competition.