pH up and down solutions with EC calibration buffer bottles

pH Control & Calibration – pH & EC

    Filter

      Stay Balanced. Stay Growing.

      Nail that sweet spot every time.

      Adjust, Measure, and Trust Your Numbers

      From pH Up and Down to calibration fluids, this collection ensures your nutrient mix stays in the goldilocks zone. No guesswork - just dialled-in data and healthy uptake.

      Ready to double-check your results? Head to Meters & Pens for pinpoint precision.

      10 products