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Hanna Instruments HI758 Marine Calcium Checker Test Kit – Saltwater Aquariums

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$59.50
Make sure this fits by entering your model number. Easier to use and more accurate than chemical test kits, less expensive than professional testing Accuracy +/-6 % of reading at 25 degree C / 77 degree F
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Hanna Instruments High Range Nitrate Checker HI782

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$59.95
Measurements with a range up to 75.0ppm Less complex laboratory grade accuracy - Requires only 1 reagent Simple, intuitive digital operation
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Hanna Instruments Two Pack HI772-26 (HI755-26) Alkalinity Checker Reagent for 50 tests

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$25.75
Pre-made reagents for ease of use Prepared with high purity chemicals Marked with expiration date and lot number for traceability
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Hanna Marine Magnesium Checker® HC HI783

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$68.94
Fewer steps than other chemical tests Color-coded syringes make the magnesium test simple and effortless Dedicated to a single parameter
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HI772-26 HI755-26 Alkalinity Checker Reagent (25 Tests) – Hanna Instruments

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$12.85
Make sure this fits by entering your model number. Pre-made reagents for ease of use Prepared with high purity chemicals
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Marine Phosphate Ultra Low Range Colorimeter – Checker HI774

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$59.95
Easier to use and more accurate than chemical test kits Dedicated to a single parameter Accuracy ±0.02 ppm ±5% of reading
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