This item is temporarily out of stock. The expected available to ship date is 12/05/2025
The Flinn pH meter calibration will keep your Flinn pH meter readings accurate. The kit includes bottles of pH 4 and pH 7 solutions and a calibration screwdriver.
Keep your Flinn pH meter readings accurate with the Flinn pH calibration kit. Kit includes 100-mL bottles of pH 4 and pH 7 solutions, calibration screwdriver, and instructions.
1-800-452-1261
