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FritzPro Magnesium Sulfate is a high-quality concentrated magnesium salt that is designed to replenish magnesium in captive reef systems
Trace elements are not required in large quantities but are vital to the development and health of all living things
Easy maintenance and installation
Highly precise analysis for seawater conditions
Fritz 35PPT Calibration Fluid 37ml Atomizer FritzPro Magnesium Sulfate is aSKU: FR03981 Use as a reference for any density measurement instruments. Simple 2 or 3 drop application. Quickly calibrate to 35 ppt or 1. 026 sg. Pre measured refractometer calibration solution takes the guesswork out of properly calibrating your instrument with no need for expensive or unreliable measuring equipment. A refractometer is essential to the saltwater hobbyist for success. Maintain its accuracy by recalibrating regularly.
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