Confidence requires reliability. Since many years our products have been successful and desired among aquarists. Numerous aquarists in many countries use it for their reef tanks. To keep this up, we are trying to offer only products that have proven to be good and beneficial in our own reef aquarium experience. At second glance, you may notice that all our products fit together and support each other. The calcium granulate KORALlith enriches the aquarium water with numerous trace elements and therefore supports the trace element solution CORALvit Combi.