General Hydroponics pH 4.01 Calibration Solution Botanicare water-soluble fertilizer designed to support

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

especially when using RO water or coco coir-based media

Patented Technology: Backed by innovation and proven performance for gardeners and commercial growers alike

water equipment

With its highly concentrated

General Hydroponics pH 4.01 Calibration Solution Botanicare water-soluble fertilizer designed to supportGeneral 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