GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) HPS This dual female

This dual female

minimal pH drift is assured

This product is a replacement part for the old style HF COSYS

Bio-Heaven is a specially formulated and highly concentrated plant energy booster

The idea is similar to a Prune Pot (fabric pot)

GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) HPS This dual femaleHI70004G 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!