The ProAquaTest Mg Magnesium Refill Pack from JBL Aquaristik and Terraristik is a precise test kit for determining magnesium levels in freshwater aquariums. It allows for accurate measurement of magnesium values ranging from 0 to over 10 mg/l, with the recommended level being between 5 and 10 mg/l. The kit includes three reagents, which are used along with two glass cuvettes and a syringe for precise measurement of 5 ml. The laminated color chart facilitates the evaluation of test results. A special feature of this test kit is the comparator system, which takes into account the natural coloration of the water to ensure precise analysis. This product is designed for the care and maintenance of freshwater aquariums and is aimed at aquarium enthusiasts who value the quality of their water.

• Accurate measurement of magnesium levels from 0 to over 10 mg/l
• Comparator system to account for the natural coloration of the water
• Includes syringe and laminated color chart for easy handling.