High-purity, magnesium-rich mineral that may be employed in traditional calcium reactors, or even blended in to pre-existing aquarium substratum, to gradually increase and maintain the magnesium concentration in the...
Medical-use pinch valves for precise `dial-in` control of soft tubing. Can be used for Calcium Reactors and Kalkreaktor effluent drip control and any CO2 or O3 flow control. Since that valve is external to the tubing, they can nev...
Replacement Flow Control Valve (orange valve) for Korallin Reactor
Replacement Pad for Korallin Reactor
Replacement O-Ring for Korallin Reactors for models C-1502 and C-3002.
Replacement set of Screws, washers and nuts for Korallin reactor lids.
Unique zeolitic medium for selective removal of dissolved organic compounds through ionic and molecular adsorption, as well as passive uptake via the beneficial microbes that colonize the media; the combined result of th...
Replacement Sponge for AquaMaxx Nano Calcium Reactor
KNOP Replacement CO2 Filter Bracket for S IV Calcium Reactor (2pcs)
Replacement Cup O-Ring for AquaMaxx CR-1 Calcium Reactor
Replacement Cup O-Ring for AquaMaxx Nano Calcium Reactor