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🧪 Calibrate like a pro — never second-guess your pH readings again!
The Hanna Instruments HI7004L is a 500mL 4.01 pH calibration buffer solution designed for precise and reliable calibration of pH meters. Trusted by professionals, it offers a stable formula with a long shelf life, ensuring consistent accuracy and ease of use in laboratory and industrial settings.
| ASIN | B00RYPG6XE |
| Best Sellers Rank | #153,223 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #78 in Chemical Buffers |
| Date First Available | January 8, 2015 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.3 pounds |
| Item model number | HI7004/1L |
| Manufacturer | Hanna Instruments |
| Package Dimensions | 7.8 x 2.83 x 2.8 inches |
S**L
Should get if you need to calibrate ph machine reader
Helps calibrate the PH level because the machine I ordered wasn’t working after using this it was good, and price worthy
R**S
Great product
I have used Hanna calibration buffer solutions for years with no problems.
J**N
good ole' reliable
Works well it's reliable has a long shelf life. I've been using Hanna calibration solutions for years now and I have nothing but good to say and report about it
F**A
Excellent ,,, meets my expectations
Excellent ,,, meets my expectations
A**R
Five Stars
Good product, would buy again. Make sure you get the 7.1 buffer for a two point calibration.
J**N
Just as advertised
Ok
D**O
Great
Great
G**N
Four Stars
Great!!!!
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