AF Reference Solution – 250ml

AF Reference Solution – 250ml Calibration solution for accurate reef test verification

Professional calibration solution for accurate reef testing

AF Reference Solution is a professional-grade standard solution designed to verify the accuracy of drop tests and calibrate measuring devices used in marine aquariums. With carefully selected and laboratory-controlled parameter values, it is an essential tool for reliable water quality control.

This solution allows reef keepers to confirm whether irregular readings are caused by actual water chemistry issues or by inaccurate test kits or instruments.

Why use AF Reference Solution?

• Verifies the accuracy of home drop tests (KH, Ca, Mg, K, Sr)
• Supports calibration and performance checks of measuring devices
• Helps determine whether problems originate from water parameters or testing equipment
• Increases confidence in decision-making for marine aquarium care

Directions for Use

• Always close the bottle tightly after use
• Do not leave the container open longer than necessary
• Store in a shaded place at temperatures not exceeding 25°C
• Evaporation may affect parameters; use within 3 months after opening

Reference Parameters

• Salinity: 35 ppt
• KH: 7.3 dKH
• Calcium (Ca): 425 mg/l
• Magnesium (Mg): 1310 mg/l
• Potassium (K): 400 mg/l
• Strontium (Sr): 8 mg/l