API Reef master test kit API REEF MASTER TEST KIT API REEF MASTER TEST KIT allows you to measure the 4 key parameters - calcium, carbonate hardness, phosphate, and nitrate - to keep reef populations healthy. The tests are...

Reagents for HI 775 and HI833xx - 25 tests

Safety valve with float without bracket The float mechanically shuts off the RO water if the level in the compartment exceeds a limit you set. Thread 1/2"

Elbow PVC Bulk head // tank fitting Ø 32mm grey

Elbow PVC Bulk head // tank fitting Ø 20mm grey Drill diameter : 22/32mm

Elbow PVC Bulk head // tank fitting Ø 32mm white

Elbow PVC Bulk head // tank fitting Ø 25mm white

Elbow PVC Bulk head // tank fitting Ø 20mm white

KH Keeper Mixing pill (4mm x 10mm)

Magnesium Hardness Checker HC The hardness or hydrometric titer (TH) of water essentially corresponds to the presence of calcium and magnesium salts. It is directly linked to the geological nature of the terrain crossed. A calcareous soil will give hard water while a granite soil will produce rather soft water. The total hardness represents the sum of the calcium and...

Flexible hose coupler 32mm red

Flexible hose coupler 25mm red