GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) floating row cover Beneficial microorganisms help create favorable

Beneficial microorganisms help create favorable conditions for nutrient interaction within the root zone

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You should only replace the oil in this pump with Robinair Premium High Vacuum Pump Oil (or with JB Industries Black Gold Vacuum Pump Oil)

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72 kg) What’s in the box FrostWrap Winter freeze protection…

GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) floating row cover Beneficial microorganisms help create favorableHI70004G 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!