Calcium Reactor HD by KNOP

The KNOP calcium reactor model HD has been released to the market in 1994 as the “big brother” of the model C.
Because of its reliability, the stable construction, the easy operation and the affordable price it has become one of the most frequently sold calcium reactors in this size category.

Specifications:

- for aquaria of 150 to 350 gallons (600 – 1500 l)
- constant calcium values above 420 mg/l
- constant carbonate values above 8° dKH
- small CO2 consumption
- includes EHEIM pump
- internal circulation 1200 times per hour
- bubble counter included
- includes CO2 safety valve
- automatic release of false gas
- connector for optional pH probe