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🔬 Calibrate like a pro, measure with confidence!
The Hach pH Buffer Solution Kit includes three 4L bottles of pH 4.01, 7.00, and 10.01 solutions, each color-coded and NIST-traceable for ±0.02 pH accuracy. Packaged airtight to maintain freshness, this kit is designed for precise calibration of Hach and other pH meters across diverse water quality applications.






| ASIN | B00R3EFVSC |
| Best Sellers Rank | #270,590 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #98 in Chemical Buffers |
| Brand | HACH |
| Brand Name | HACH |
| Container Type | Bottle |
| Customer Reviews | 4.4 out of 5 stars 12 Reviews |
| Included Components | Lab |
| Item Form | Liquid |
| Item Highlight | pH 4.01, pH 7.00 & pH 10.01, NIST-Traceable, pH Electrode Calibration, Lab & Field Use, Airtight Packaging Item Highlight pH 4.01, pH 7.00 & pH 10.01, NIST-Traceable, pH Electrode Calibration, Lab & Field Use, Airtight Packaging See more |
| Item Volume | 4 liters |
| Manufacturer | Hach |
| Model Number | 2507200 |
| Package Information | Bottle |
| Part Number | 2507200 |
| Unit Count | 1 Count |
| Volume | 4 liters |
S**M
Simple
Tuff not to give a 5 star, great price, fast delivery and does what it should.
L**A
Four Stars
Good deal
Trustpilot
2 weeks ago
2 weeks ago