ATI Reference, 1000-mL Bottle

• 1000-mL bottle of calibration fluid for refractometers.
• Produced to help you fine-tune trace mineral amounts.
• Crafted to help you enhance growth and coloration in coral.
• Perfect for accurately testing both your digital and analog refractometers.
• Produced to help your pals get all the essential elements that they need to prosper.

Usage: Use to test the accuarcy of test kits and pre-mix saltwater. Contains the following concentrations: Alkalinity = 7.5 dKH, Calcium = 421 mg/L, Magnesim = 1313 mg/L, Potassium = 408 mg/L, Strontium = 8.1 mg/L, and Salinity = 1.026 / 35 ppt.