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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Use from the first week of vegetative growth
25 lb – Suited for larger or commercial grow setups
and probes
000 lumens
Splits one fan across two ducting runs
Bluelab 2.77 EC Conductivity Calibration Solution | 250ml Standard Reference Hose & Fittings Use from the first weekBluelab 2. 77 EC Conductivity Standard Solution is a professional reference solution designed to calibrate and check the accuracy of all EC (electrical conductivity) meters and pens. Correct calibration ensures reliable readings, which are essential for maintaining the right nutrient levels in hydroponic, soil, and coco systems. This 250ml bottle provides growers with a stable, trusted solution to keep equipment performing at its best. Key Benefits
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