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The Radion XR15 (XR15 G6 Blue / Pro) is basically the “smaller brother” of the XR30 — same technology
The Hanna Marine Nitrate High Range Reagents (HI782-25) are replacement reagents designed specifically for use with the Hanna Marine Nitrate High Range Checker (HI782)
XR15 key specs (G6 generation)
Replaces 29 essential trace and minor elements in natural seawater ratios
(not for 3XL900)
Hanna Reagent Marine Calcium echinata The Radion XR15 (XR15 G6Hanna Marine Calcium Reagents (HI758 26) The Hanna Marine Calcium Reagents (HI758 26) are replacement reagents designed specifically for use with the Hanna Marine Calcium Checker (HI758). These high quality, pre measured reagents ensure accurate, reliable calcium testing, helping reef hobbyists maintain stable calcium levels for healthy coral growth and overall aquarium stability. Features: Designed exclusively for the Hanna Marine Calcium Checker