Hanna Marine Magnesium Checker HC (HI783)

Hanna Marine Magnesium Checker HC (HI783)
£62.50

Achieve reef chemistry balance with the Hanna Marine Magnesium Checker HC (HI783). This innovative handheld colorimeter takes the uncertainty out of magnesium testing, providing digital accuracy trusted by serious reefkeepers and coral growers.

🔹 Why test magnesium?
Magnesium stabilises calcium and alkalinity levels, directly impacting coral growth, ion balance, and buffering capacity. Ideal magnesium levels range between 1250–1350 ppm in most reef systems.

🔹 Key Features:

  • Accurately measures magnesium from 1000 to 1800 ppm

  • Designed exclusively for marine aquariums

  • High precision with ±5% accuracy

  • Eliminates colour-matching guesswork

  • Quick and easy 3-step process: zero, react, read

  • Reagents included for 25 tests

🔹 Ideal for:

  • Reef aquariums using 2-part dosing, balling, or calcium reactors

  • Systems with SPS/LPS corals that consume magnesium quickly

  • Aquarists seeking consistent and objective measurements

🔹 What’s included:

  • HI783 Magnesium Checker

  • Sample cuvettes & caps

  • Reagents for 25 tests

  • Syringes & mixing tools

  • Battery & detailed instructions

Upgrade from vague visual tests to digital magnesium control—with the Hanna HI783, you're one step closer to mastering your reef's stability and coral vitality.