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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Transplant your Gro-Block plant onto a slab just like professional growers
This unit is a great match for the 12 in & 14 in Max-Fans™
Equipped with 2 hose fittings
This revolutionary reflector can increase lumen availability by as much as 300% and is now included
GH pH 4.01 Calibration Solution Quart Gro Pro Transplant your Gro-Block plant ontoGeneral Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used.
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