Feature(may vary by option.)

●FULL RANGE: "Total 15 Packages" This set includes 5 packs of 4.01PH, 5 packs of 6.86PH, and 5 packs of calibration solution powders for all your pH needs
●Accuracy: PH Meter Calibration Liquid Powder allows you to quickly test pH in pools, aquariums, water and other pH using the pH tester/meter
●FAST AND EASY: No need to measure it, just mix each pack with 250mL distilled water
●SAFE MATERIAL: BPA free and free from other harmful toxic chemicals
●LONG LASTING USE: Save time and money by mixing powders in distilled water bottles. This allows you to keep them available longer and easier without the need for more packets

[12 Pack 01 Edition]

[15 Pack 01 Edition]

Description

How to use
Fill the sachet contents in a container with 250ml (8.45oz) distilled water at 25°C (77°F).
Please mark the ph-level powder used for future reference and keep out of reach of children.
Accuracy to Solution Temperature (when pH 6.86)