ARKA pH calibration powder set

ARKA pH calibration powder set The pH calibration powder set contains 1x pH 4.00, 1x pH 6.86 and 1x pH 9.18 for a wide calibration range and accurate pH measurements. Each calibration powder can be easily dissolved in 250 ml of distilled or ultrapure water for quick and hassle-free calibration. The calibration powders are ideal for calibrating a wide range of pH meters and support precise measurements in aquariums, laboratories and other applications. For exact calibration of your pH meters with reliable pH standards, essential for maintaining optimal water conditions. Contains: 1x pH 4.00 1x pH 6.86 1x pH 9.18