Product: 15-Pack pH Meter Buffer Solution Powder for Precise and Easy PH Calibration, PH Calibration Powder Solution 6.86,4.01,9.18
Brand: ESEE
Your pH meter is not so accurate anymore? 

If you have a pool, aquarium, or spa, pH testing is something you do on a regular basis. However, hassling with messy liquid solution may not give you the accuracy you need. Put the measuring cup away and opt for pre-measured convenience. 

Specifications:  
5 x 4.01 pH buffer powder 
5 x 6.86 pH buffer powder 
5 x 9.18 pH buffer powder 

Directions for use:
Step 1:Completely empty the powder into a clean 250ml glass beaker. 
Step 2: Add 250ml deionized water (or distilled water) to the beaker. 
Step 3: Stir until the powder has completely dissolved. 
Step 4: Calibrate your pH meter accordingly. 

CAUTION: Not a drinkable solution! 

Don’t Miss Out on This Excellent pH Calibration Powder, Click “Add to Cart” Now! 
Easy to use- No need to measure, just mix each packs with 250mL distilled water.
Total 15 packs-The set includes 5 package of 4.01, 5 package of 6.86 and 5 package of 9.18 calibration solution powder for all pH needs.
Designed for portability- Individual sized packets can be tucked in drawer, bag or suitcase for travel.,easy to carry.
Save time and money-By mixing powders in a jar of distilled water, this lets you keep them longer and more readily available without needing more packets!
Wide range of applications-Ideal for testing pH balance of drinking water, pool, aquarium, RO system, Spa, or hydroponics.

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