There are two ways Calcium can be added to your reef tank, the Calcium Reactor or the Kalkreactor pictured here.You can either gravity feed through the Kalkreactor from a freshwater top-off system to your reservoir, or use a dosing pump.We chose a re...
6 Digital Kalk Master Controlled by Kalkwaisser stirrer. 22tall Controls both speed and time. Has screw off cap to add kalk and water without taking the sealed flange apart. ...