6-pack pH Meter Buffer Solution Powder For Precise and Easy PH Calibration, PH Calibration Powder Solution 6.86,4.01,9.18More Info
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- Easy to use- No need to measure, just mix each packs with 250mL distilled water.
- Total 6 packs-The set includes 2 package of 4.00, 2 package of 6.86 and 2 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.
- 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.
2/22/19 9 AM Central: These are selling for $6.99. Shipping is also free to many US addresses with Prime Membership [Try Prime for Free] or a qualifying order. Prices, shipping and availability can change quickly. Please note that product prices and availability are subject to change. Prices and availability were accurate at the time this post was published; however, they may differ from those you see when you visit Amazon. Check the product page for current price, description and availability. Also: Recent Amazon Finds and Amazon Fillers Resource Page
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