GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) pest-and-disease-control Part B of this easy-to-use

Part B of this easy-to-use two-part formula

and connections for external equipment such as dehumidifiers and air conditioning systems

Revitalizes tired garden soil

• Promotes both flowering and vegetative growth

This allows the column to be recovered independently from the collection base

GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) pest-and-disease-control Part B of this easy-to-useHI70004G is a high quality pH 4. 01 calibration buffer designed with hydroponics, aquaponics, and greenhouses in mind. Single use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on the go testing, fitting easily into your pocket or carrying case. Supplied with Certificate of Analysis Single use sachets for convenience. Perfect for use with GroLine testers and portable meters!