Potassium is an essential main nutrient for all organisms. In seawater the natural potassium concentration is approx. 408 ppm.

Adjusting the potassium concentration to the natural level with Tropic Marin® Potassium may improve vitality and colors of many

corals.

The potassium concentration should be carefully measured by means of a water test before using Tropic Marin® Potassium 

(e.g. Tropic Marin® K+ Test Pro).

• Potassium supplement for reef aquaria

• Improve vitality and colors of many corals

• Suitable for an aquarium stocked with soft and leather corals, LPS, SPS