Essentials Calibration Solution - 250ml Essentials Calibration Solutions, necessary to calibrate pH & EC/CF meters, For super accurate calibration use these solutions at 25 degrees centigrade and never keep an opened bottle for more than 6 months. £2.99
Essentials Calibration Solution - 1 litre Essentials Calibration Solutions, necessary to calibrate pH & EC/CF meters, For super accurate calibration use these solutions at 25 degrees centigrade and never keep an opened bottle for more than 6 months. £9.99
Conductivity standard calibration fluid used for calibrating ec pens and metres, ec metres should be calibrated regulary to ensure accurate and precise readings!
£4.00
Essentials calibration fluid 30ml sachet used for calibrating ec pens and metres, ec metres should be calibrated regulary to ensure accurate and precise readings!
£0.99