Bluelab pH 4.0 Calibration Solution

The Bluelab 4.0 pH Calibration Solution is essential for keeping your Bluelab pH pens, meters, and monitors accurate. Regular calibration ensures you get precise readings, protecting your crops from nutrient lockout or imbalances.

Available in convenient 18ml sachets for single-use accuracy or a 250ml bottle for ongoing calibration needs, this solution is laboratory-certified and manufactured to the highest standards.

Features

• Lab-Grade Accuracy – Reliable pH 4.0 reference solution.

• Two Options to Suit Your Needs:

  • 18ml Sachets – Single-use, travel-friendly, and contamination-free.

  • 250ml Bottle – Cost-effective for frequent calibration.

• Consistent Results – Manufactured specifically for Bluelab devices.

• Protect Your Plants – Prevents inaccurate pH readings that can harm crops.

Applications

• For calibrating Bluelab pH Pens, Combo Meters, Guardian Monitors, and other pH measurement tools.

• Suitable for hydroponics, horticulture, aquaponics, and soil cultivation.

• Ensures long-term reliability of your Bluelab equipment.

Available Variants

• 18ml Sachets (Single-Use Packs)

• 250ml Bottle (Multiple Uses)