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pH Buffer Solution Powder - 2 Pack (4.00/7.00)
MT639

pH Buffer Solution Powder - 2 Pack (4.00/7.00)

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Description

Keep your pH meter calibrated with these buffer solution powders. Includes one packet of 4.00 buffer and one packet of 7.00 buffer.

Directions:
  • Completely empty the powder into a clean glass jar
  • Add 8.5 oz of deinoized water
  • Stir until the powder has completely dissolved
Item # MT639
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 0.02 LBS
Community Q&A

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Browse 2 questions Browse 2 questions and 12 answers
Why did you choose this?
MoreFlavor Store
Sounded like I need to have this for the pH meter
Lin on Jan 4, 2023
Because I ran out and need more
Robert W on Mar 14, 2022
Sounded like I need to have this for the pH meter
Lin on Jan 4, 2023
It's good to have fresh reagents
Brad S on Oct 21, 2022
Because I ran out and need more
Robert W on Mar 14, 2022
calibrate aq600 that was cheaper on manufacturer website than here
Anthony Caezza on Dec 15, 2021
calibrate pH meter
Richard Rizzo on Sep 18, 2020
need more liquid expired
Joseph F on Jul 1, 2020
ph meter calibation
Scott D on May 20, 2020
It's good to have fresh reagents
Brad S on Oct 21, 2022
calibrate aq600 that was cheaper on manufacturer website than here
Anthony Caezza on Dec 15, 2021
Is the solution for one time use, or can it be stored and reused? How long does it last?
Walter Erb on Jan 10, 2023
BEST ANSWER: The buffers come as a dry compound, to which you add water. If you just need to do a couple of tests, just use some of the dry compound and store the rest for later (keep track of what fraction of the container you've used so you know how to mix the remaining portion later on). My understanding is that the dry compound is good for 2 years.
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