Description
⚡ Calibrate like a pro, grow like a boss!
- EFFORTLESS READY - Pre-mixed, ready-to-use bottles save you time—no mixing, no mess, just reliable calibration.
- DUAL CALIBRATION POWER - Includes both pH 4.0 and 7.0 solutions to cover the full calibration spectrum for flawless readings.
- PRECISION YOU CAN TRUST - NIST traceable solutions ensure your pH meter delivers lab-grade accuracy every time.
- VERSATILE FOR EVERY GROW - Perfect for hydroponics, aquariums, swimming pools, and gardening tents—keep your environment perfectly balanced.
- EXTEND YOUR GEARS LIFESPAN - Regular calibration maintains peak performance and prolongs your pH pen’s life.
The Bluelab pH 4.0 & 7.0 Calibration Solution Kit offers NIST traceable, dual pH solutions in convenient 500 ml bottles, designed to ensure precise calibration of pH meters and pens. Ideal for hydroponics, gardening, aquariums, and pools, it extends device longevity with easy, ready-to-use formulas that maintain accuracy and reliability for balanced nutrient solutions.