| Brand | Hanna |
|---|---|
| Type | Magnesium Checker |
| Water Type | Marine |
| MPN | HI783 |
Check the listing for details. Hanna Marine Magnesium Checker - HI783. Condition: New. Listed at 69.99 USD. The first Magnesium test of its kind for saltwater aquariums, our Marine Magnesium Checker® HC (HI783) is just what every reef tank owner needs. Stop guessing or interpreting a color change by eye. Marine Magnesium Checker (HI783) supplied with protective case.
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