General Hydroponics pH 4.01 Calibration Solution Botanicare phosphorus and potassium throughout the

phosphorus and potassium throughout the crop life cycle

enabling them to better absorb nutrients and thrive throughout their life cycle

water equipment

water-soluble fertilizer designed to support lush vegetative growth in a variety of plants

MaxiBloom® delivers everything your plants need to produce dense

General Hydroponics pH 4.01 Calibration Solution Botanicare phosphorus and potassium throughout theGeneral 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. Free Standard shipping