The HI783 Marine Magnesium Checker HC is a handheld colorimeter designed to measure magnesium levels in saltwater aquariums and marine biology applications. It utilizes the Beer-Lambert principle to provide accurate concentration readings of magnesium within the range of 1000 to 1800 ppm, ensuring optimal conditions for coral and fish health. The device comes with a starter kit including reagents and sample cuvettes, offering convenience and ease-of-use compared to traditional chemical test kits.
| Range | 1000 to 1800 ppm Magnesium |
| Accuracy | ±5% of reading @ 25 °C (77 °F) |
| Resolution | 5 ppm |
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HI783 Marine Magnesium Checker HC Handheld Colorimeter
by Hanna Instruments
Test Kits
Reference reading: Species guide on Codexery
Species guides on Codexery
- Acropora millepora — Scientific name: Acropora millepora · Diet: Zooxanthellate (harbours symbiotic dinoflagellates) source
- Duncan coral — Scientific name: Duncanopsammia axifuga · Maximum size: Polyp diameter 2–3 cm; corallite diameter 10–14 mm source
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10% price drop on HI783 Marine Magnesium Checker HC Handheld Colorimeter - Hanna Instruments
Price dropped from $74.99 to $67.49
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