Bluelab pH calibration solution kit (4.0 & 7.0) for pH meters
Calibration solution set for pH pens and testers, includes 4.0 and 7.0 levels to ensure accurate readings. NIST traceable quality for reliable plant and aquatic health
Highlights
- NIST traceable quality
- two essential pH levels
- improves measurement accuracy
Pros
- NIST traceable calibration
- Includes two essential pH levels
- Supports accurate readings for pens and testers
Cons
- Mixed value for money in customer feedback
Best For
Features
- Calibrates pH meters using preset pH 4 and pH 7 solutions for accuracy
- NIST traceable calibration standards included for reliable measurements
- Helps extend pH pen tester performance through regular calibration
- Two 500 ml / 16.9 fl oz bottles support balanced nutrient solutions