Salifert Profi-Test Kits - Strontium
Use this Profi-Test Kits - Strontium to test your strontium levels in your aquarium, which may be depleted by the corals living inside your tan, and may need to be topped up to achieve a healthy water chemistry for your fish and corals.
Approx. 25 tests per kit. Measures in approx. 5 ppm increments.