Bluelab pH 7.0 Calibration Solution - 250ml

Consistency is the cornerstone of a thriving garden, and this professional-grade solution is designed to keep your pH meters operating at peak performance. Regular calibration with a trusted neutral buffer is essential for ensuring your equipment delivers accurate, reliable readings every time you measure your nutrient solution.

What's in the box
1 x Bluelab pH 7.0 Calibration Solution - 250ml