Seachem Reef Reactor Media Medium reef kalkwasser As long as concentrations remain

As long as concentrations remain under control

They are excellent for fry tanks because they won't suck up your babies

there is no need to keep your Clip-On UV Sterilizer ON 24/7

Copper Sulfate

Safety shut-off activates if removed from water

Seachem Reef Reactor Media Medium reef kalkwasser As long as concentrations remainReef Reactor is a high purity source of aragonite, which supplies all important elements for optimal ionic balance and robust coral growth and coloration in reef aquaria. It has a grain size of approximately 0. 51 cm (Reef Reactor Medium is . 5 1 cm). It is intended for use in calcium reactors where it is dissolved slowly with the addition of CO2. As it dissolves, it provides calcium, magnesium, strontium, potassium, and carbonates among other