15-pack pH Meter Buffer Solution Powder, Easy and Accurate, Make pH Calibration Solution 4.01, 6.86, and 9.18

Price: $32.99 $9.95
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Manufacturer Description

15 Packs pH Buffer Powder, Can Be Used To Make 15x250ml pH Meter Calibration Solution, Compatible And User-friendly For The Calibration Of All pH Meter/Tester, Accurate and Easy to use for Long Period.
Widely be used for testing pH balance of aquarium, pool, drinking water, RO system, Spa, hydroponics, etc

Features:
*15 packs ph calibration packets, no need to buy frequently.
*Come with a user-friendly guide, help to learn how to use and reserve, etc.
*Pre-measured exactly for accurate results.
*longer shelf life(3 years) than liquid pH calibration solution (1 year)
*Sealed with moisture-proof individual packets, convenient for reserve and carry.
*2-year manufacturer guarantee.

Easy to Use:
1.Prepare 3 x 250ml distilled water in container, and take out 1 set ph powder: 1 x pH 4.01, 1 x pH 6.86, 1 x pH 9.18.
2.Empty each packets in the 3 containers separately, you'll get 3 x 250ml pH calibration solution kit.
3.Calibrate your pH meter with the pH solution.

Package Includes:
*ph buffer powder kit
5 x pH 4.01 (Potassium Hydrogen Phthalate)
5 x pH 6.86 (Mixed phosphate)
5 x pH 9.18 (Borax)
*1x User's Guide

Product Features

?COMPATIBILITY. Ideal for the pH calibration of all pH meter/tester. ?TOTAL 15 PACKS. It can make 15 x 250ml pH buffer solution. The package Including 4.01, 6.86, 9.18 pH buffer powder each 5 bags. ?ACCURATE. Produced with premium quality material under strict conditions, and pre-measured exactly to ensure accuracy. ?EASY TO USE. No need measure, just mix individual pack with 250ml distilled water separately, you'll get standard PH solution kit. ?LONG TERM USE. sealed by durable moisture-proof individual packets, 3 years shelf life.

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