The highest concentrated calcium supplement. 10 ml of the product increases the calcium level by 20 mg/l (ppm) in 100 litres (27 US gal) of water. Dosage should be based on microelements consumption. Note, that each aquarium is different and final dosage depends on the coral cast and individual aquarium needs. Both, deficiency and excess micronutrients will affect aquarium inhabitants, therefore dosage should be selected and modified on the basis of regular Aquaforest Lab water tests. 2L What is great about this product?*highly concentrated & easy to dose*safe for aquatic life Good to knowRecommended level of calcium in aquarium water is 380 – 460 mg/l (ppm). We recommend dosage based on the ICP-OES tests results. Why Aquaforest Lab?Ultra-accurate ICP-OES spectrometerHighly qualified specialistsStrict & rigorous standards
