Spacare Calcium Up 1 kg

For raising the calcium hardness of the water. In outdoor and indoor spas in areas with "soft" water, to avoid corrosion on the metal parts of the spa bath. SpaCare Calcium Up is used to raise the calcium hardness of bath water Instructions for use: Measure the hardness with a hardness tester / test strips. One is recommended calcium hardness of 100-200 mg / l CaCO If the hardness is below 100 mg / l, Calcium Up is added. To raise the hardness 20 mg / l in 1000 l of water, add 30 g = 2 x 15 ml Calcium Up. To raise the hardness 135 mg / l in 1000 liters of water, add 200 g = 2 dl Calcium Up. Dissolve Calcium Up in a clean plastic bucket and distribute the solution in the water with the water circulation running. The water massage (Jets) is switched on at the lowest speed. Wait for 15 mine. and check the hardness again. If it is still low, add Calcium Up in relation to this. Finish by adjusting the pH to between 7.0 and 7.4.