XCSOURCE 20pcs 4.00 6.86 pH Meter Buffer Solution Powder for Quick Easy Accurate pH Calibration Water Purity BI672

Description

Features:
No wish to measure, just mix individual packs with distilled water.
Calibration powders allow you to accurate and quick take a look at the pH of your pool, aquarium, water along with your pH tester/meter.
The set includes ten of 4.00 and ten of 6.86 calibration solution on your wishes.
Ideal for trying out pH balance of drinking water, pool, aquarium, SPA or hydroponics.
Designed for portability: Individual sized pack may also be convenient to hold.

Specifications:
Prepared distilled water: 250mL for every pack

Package includes:
10 x 4.00 pH buffer powder
10 x 6.86 pH buffer powder
No wish to measure, just mix individual packs with distilled water.
Calibration powders allow you to accurate and quick take a look at the pH of your pool, aquarium, water along with your pH tester/meter.
The set includes ten of 4.00 and ten of 6.86 calibration solution on your wishes.
Ideal for trying out pH balance of drinking water, pool, aquarium, SPA or hydroponics.
Designed for portability: Individual sized pack may also be convenient to hold.