Milwaukee EC 1413 µS/cm Calibration Solution — 230ml

Available: 50 units in stock

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✓ In-store pickup available in Peabody, MA
✓ Talk to a real grower: (978) 278-5898
✓ Heavy soils & media are local pickup only

Milwaukee 1413 µS/cm conductivity calibration solution (MA9061) — the standard reference for calibrating EC/TDS testers like the EC59. Accurate nutrient readings start with accurate calibration.

  • 230ml leak-proof bottle
  • Calibrate monthly and after probe cleaning