The first Magnesium test of its kind for saltwater aquariums, our Marine Magnesium Checker® HC (HI783) is just what every reef tank owner needs. Struggling with test kits is now a thing of the past. Stop guessing or interpreting a color change by eye. Get a fast, accurate digital read-out every time.
Perfect for testing and measuring Magnesium levels in saltwater aquariums, reef tanks, and other marine and aquaculture applications.
- Easy-to-read, instant digital results
- Small, convenient portable size
- User-friendly, simple directions and steps
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