★★★★★ 5
Worth the purchase
Very affordable and nice looking in my home
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Reviewed in the United States on April 23, 2026
Red Sea Calcium Pro Reagent Refill Kit - R21406
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Red Sea Calcium Pro Reagent Refill Kit - R21406Red Seas Calcium Pro Test Kit is an advanced calcium titration test, measuring the level of calcium in your reef aquarium to an exceptionally high accuracy of 5 ppm. This test kit enables the accurate dosing of Red Sea's Reef Foundation A (calcium strontium) and Coral Colors supplements, which are part of the complete Red Sea Reef Care Program. Specifications: Test type: Titration Test range: Accuracy: 5ppm Titrator included inside easy to use, single
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- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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