GT pH Calibration Kit - Buffer 4 & 7 For Hydroponics - 250mL bubble-extraction-bags Insect proof ventilation ports

Insect proof ventilation ports

6 Amp 220 V

uses Swiss-made sensors

The water tank includes a filler lid which allows the tank to be topped up using a hose

GT pH Calibration Kit - Buffer 4 & 7 For Hydroponics - 250mL bubble-extraction-bags Insect proof ventilation portsThe Gt pH Calibration Kit Buffer 4 and 7 kit includes solutions designed to ensure precise and accurate calibration of pH meters and testers. Buffer 4 and 7 solutions are essential for calibrating instruments to ensure reliable pH measurements across a range of acidic and neutral conditions. Buffer 4 is used for calibrating pH meters at the lower end of the scale, while Buffer 7 is utilized for calibration at the neutral pH level. These solutions are