4 / 6mm adjustment valve Regulating valve for hose with a diameter of 4/6 mm. The tap can be used for both air and water (nitrate reducer and calcium reactor). High quality plastic guaranteeing a long service life. Easy to adjust flow rate with precision.

T Reduction 16/22 - 4/6mm Reduction T is used for the connection of bypass filters like p. ex. the nitrate reducer or the calcium reactor.

T Reduction 12/16 - 4/6mm Reduction T is used for the connection of bypass filters like p. ex. the nitrate reducer or the calcium reactor.

T Reduction 9/12 - 4/6mm Reduction T is used for the connection of bypass filters like p. ex. the nitrate reducer or the calcium reactor.

CO2 solenoid M-ventil 1/2" M-ventil 1/2”  for water is intended for automatic control of reverse osmosis units. The brass body has connections for 1/2” BSP male fittings and is recommended only for use with tap water. The power uptake is 6 watts.

Bubble counter plus

Magnesium substrate for calcium reactors (Deltec). Aqua Crown Hy mag

Magnesium substrate for calcium reactors (Deltec). Aqua Crown Hy mag

Calcium substrate for calcium reactors (Deltec). Aqua Crown Hy Carb

Calcium substrate for calcium reactors (Deltec). Aqua Crown Hy Carb

Calcium and magnesium substrate for calcium reactors (Deltec). Aqua Crown Hy Carb Special

Calcium reactor twin tech 10000 Introducing the the latest generation Deltec Twin-Tech Calcium Reactor, introduced by Reefbuilders as the “Supercar of Calcium Reactors”. Calcium reactors still remain the easiest and most stable method for making additions to the reef aquarium, requiring little testing to keep the system in balance. This is an...