Multi Standard – Saltwater Reference Solution for Test Kits & Salinity Meters, Checks Salinity, Alkalinity, Calcium

Key features

• Saltwater reference solution with fixed concentrations of salinity, alkalinity (KH), calcium, magnesium, potassium and strontium
• Ideal for checking the accuracy of test kits and salinity measuring devices such as refractometers, hydrometers and conductivity meters
• Enables direct comparison of measurement results with defined reference values and supports calibration when needed
• Based on ATI Absolute Ocean and replicates natural seawater in perfect balance
• Reference values: 35 PSU, 7.5 dKH, 421 mg/L calcium, 1,313 mg/L magnesium, 408 mg/L potassium, 8.1 mg/L strontium

ATI Multi Standard is a saltwater reference solution for checking the accuracy of test kits and measuring instruments in the saltwater aquarium. The solution contains fixed concentrations of salinity, alkalinity, calcium, magnesium, potassium and strontium. By comparing your measurement results with the defined reference values, you can quickly detect deviations and reliably calibrate devices when needed. Based on ATI Absolute Ocean, Multi Standard replicates natural seawater composition with precision – making it the ideal tool for reef keepers who rely on accurate water parameter monitoring.

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