Description
Replacement reagents for the Hanna HI758 Marine Calcium Checker, used to measure calcium in reef tank water.
- 25 tests
- Range 200 to 600 ppm calcium
- For the HI758 Marine Calcium Checker HC
- Two-part reagent: 1 mL of liquid reagent, then a powder packet
- Marked with lot number and expiration date
Shipping See current rates and ship days.
Shipping & Returns
- Equipment and dry goods ship at their own rate. Free shipping at $349 or more applies to qualifying livestock only — corals, fish, inverts and live copepods. The $10 box & handling fee is a livestock packing fee and does not apply to dry-goods orders.
- All sales are final on equipment and dry goods. We are a retail store, not the manufacturer.
- Register your product with the manufacturer and keep your receipt — their warranty is how a faulty unit gets replaced, and they are faster at it than a shop could be.
- Not sure who to contact for a warranty claim? Call us and we will point you to the right place.
Ships from our Key West store · (305) 850-9949










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