Flairform Professional pH Buffer 4.0 Standard Solution for Hydroponics 250ml

This professional pH buffer solution is formulated with NIST-specified ingredients for precise calibration of pH meters. It is stabilised to resist algae and growth formation, ensuring exceptional shelf-life and consistent performance. Regular calibration with at least two buffers, such as pH 4.0 and 7.0, is essential for accurate pH measurement in nutrient solutions. This 250ml solution confirms correct electrode and meter ranging, maintaining optimal hydroponic system parameters.

Formulation	NIST-specified ingredients
Volume	250 ml
pH Level	4.0
Application	pH meter calibration for hydroponics
Stability	Algae and growth resistant
Shelf Life	Exceptional
Calibration Recommendation	Two-point calibration (e.g., pH 4.0 and 7.0)
Brand	Flairform