Without it the pump won't work

The Coral Colors D supplement is part of the complete range of additional major

Super concentrate for lowest dosage and costs

Die Wasserprobe färbt sich türkisblau

Tropic Marin Potassium Nachzucht Without it the pump won'tPotassium is a vital macronutrient for all living organisms and is present in natural seawater at a concentration of 408 mg l. Adjusting the potassium concentration to the natural level with Tropic Marin Potassium in the event of a potassium deficiency can sometimes provide a vitality boost for various corals. Before using Tropic Marin Potassium, the potassium concentration should be carefully determined using a water test (e. g. Tropic Marin K+ Test