The Hanna reagent kit is ideal for measuring magnesium in your aquarium, ensuring that the levels of dissolved metals remain appropriate. With the addition of this professional equipment, you can accurately monitor the quality of your water. The set includes two 27ml bottles and two 4ml bottles, suitable for your testing needs.

• Suitable for measuring magnesium in your aquarium.
• Contains two 27ml bottles and two 4ml bottles.
• Facilitates water quality control.