BLUELAB PH4 CALIBRATION SOLUTION
The Bluelab pH4 Calibration Solution is an essential tool for maintaining the accuracy and longevity of your Bluelab pH meters and probes. Used as part of a two-point calibration process (alongside pH7 solution), this buffer ensures your readings remain reliable across all growing environments. Regular calibration is key to nutrient uptake and plant health—don’t grow blind, calibrate with confidence.
Key Features
- Designed for use with all Bluelab pH meters, pens, and controllers
- pH 4.0 buffer solution for slope calibration
- Supports two-point calibration with pH7 solution
- Improves probe performance and extends lifespan
- Ready to use—no mixing required
- Compatible with all pH pens, meters, monitors and controllers
Application Notes
- Use after cleaning your pH probe to complete calibration
- Calibrate monthly or when prompted by your Bluelab device
- Store solution in a cool, dark place to maintain accuracy
- Pair with Bluelab pH7 Calibration Solution for full calibration
- Never measure directly from solution bottle – decant and discard used solution
| Metric | Value |
|---|---|
| SKU | SG-S0654 |
| Brand | Bluelab |
| Product Name | pH4 Calibration Solution |
| pH Value | 4.0 |
| Compatibility | All Bluelab pH meters and probes |
| Application | pH probe calibration (slope) |
| Size | 250ml, 500ml |
Application Guide
Designed for use with all Bluelab pH meters, pens, and controllers
Ready to use—no mixing required
Available Sizes
- 250ml
- 500ml
