Seachem Reef Reactor Media Medium reef kalkwasser brewers yeast

brewers yeast

pH Alert is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously

Chip size makes spot cleaning easy

Safety shut-off activates if removed from water

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

Seachem Reef Reactor Media Medium reef kalkwasser brewers yeastReef 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