Bluelab EC 2.77 Conductivity Standard Solution 250ml

Bluelab EC 2.77 Conductivity Standard Solution 250ml — Lab-Standard Calibration

Ensure the accuracy of your Bluelab EC products — Bluelab 2.77 EC Conductivity Standard Solution is essential for maintaining ongoing accuracy of conductivity meters and pens. Available in 250ml and 500ml bottles. Designed for quick easy testing of EC products after regular cleaning. Use to calibrate Bluelab EC meters, Truncheon, and any conductivity instrument that needs proper reference.

Why growers choose Bluelab EC 2.77 Solution:

• Lab-standard reference solution — referenced to high laboratory standards
• Specifically for EC meter calibration — purpose-formulated chemistry
• Compatible with all Bluelab EC products — guaranteed Bluelab compatibility
• Works with any EC meter brand — EC calibration chemistry is universal
• 250ml practical size — enough for many calibration sessions
• Recommended every 2-4 weeks — standard calibration schedule for serious growers
• 2.77 mS/cm reference point — middle of typical growing solution range

Who it's not for:

Don't reuse solution after probe contact — pour a small amount into a separate container, calibrate, then discard. Contaminated solution gives bad calibration, defeating the purpose. Keep bottle sealed between uses; air exposure degrades accuracy over months. For two-point EC calibration (significantly more accurate), use both 2.77 mS/cm AND another reference point. For budget alternatives, generic EC calibration solutions cost less but lack Bluelab's lab-traceable reference standard.

In stock now — ships same working day from our Staffordshire warehouse with free UK delivery over £100. Pick up in-store at our Stone shop (ST15 0SR) if you're local, or click & collect at checkout.