General Hydroponics pH 4.01 Calibration Solution Botanicare water equipment

water equipment

Widely used to provide oxygen in aquariums

phosphorus and potassium throughout the crop life cycle

Soilless Mixes & Peat-Based Substrates: Offers reliable feeding without nutrient lockout

With its highly concentrated

General Hydroponics pH 4.01 Calibration Solution Botanicare water equipmentGeneral 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