We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and...

Foundation Pro Multi test kit High accuracy titration tests for the accurate measurement of theFoundation elements Calcium, Magnesium and Alkalinity (KH) It’s all in the balance Red Sea’s FOUNDATION PRO Multi Test Kit includes high...

Reduce Nitrates and eliminate Algae problems with Solid Carbon Dosing. Pure PHA Bio Pellet Pearls! N+P reducing algae prevention. Metabolix is the original supplier of genuine pure Biopellets tested and created for the aquarium market. Real Pearl shaped...

Generic Refractometer - It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and...