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🧪 Calibrate like a pro — never second guess your pH again!
The WLR Industries Hanna Buffer Solution HI7007L pH 7.01 is the industry’s most widely used buffer solution, trusted for its NIST-traceable accuracy and premium quality. Available in sealed jars or sachets with optional certification, it ensures contamination-free, reliable calibration for pH meters across scientific, aquarium, and marine biology applications.
| ASIN | B0D7QVXXCZ |
| Best Sellers Rank | 30,819 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 3,274 in Lab & Scientific Products |
| Brand | WLR Industries |
| Customer Reviews | 4.6 out of 5 stars 12 Reviews |
| Manufacturer | WLR Industries |
| Manufacturer Part Number | w780 |
| Model Number | 7007L |
| UPC | 850063330107 |
| Unit Count | 1.0 count |
| Unit count | 1.0 count |
S**L
Pretty Accurate and Reliable
Perfect for calibrating my pH meter, with consistent results every time. The bottle is well-sealed, preventing contamination or evaporation. Great quality and value for lab or hobby use. Highly recommend for anyone needing a dependable standard for pH calibration.
M**R
Works great
Very happy with this product and the meter that it goes with. High quality.
Trustpilot
2 days ago
3 weeks ago