Ph buffer 4 – bluelab – 250ml
$16.00
Bluelab pH Buffer 4 (250ml) provides a stable, standardized solution at pH 4.00 for calibrating pH meters, pens, and probes. Essential for accurate pH measurement in hydroponic nutrient solutions, aquariums, and water quality applications. Decant a small amount of buffer, rinse pen, calibrate pen, rinse and finally store pen tip in storage solution.
note: some product descriptions contain ai researched data - always validate and adapt to your specific environment.
