Hanna Hi70007G GroLine pH 7.01 Buffer Sachets, 20 mL (25 pcs.) tool-measuring Ducting size: 4" | Length:

Ducting size: 4" | Length: 25 feet | Includes two stainless steel 4" duct clamps

and assisting with the bioavailability of iron and other fertilization compounds from both organic and inorganic sources

using the adjustable intake and exhaust vents to customize directional airflow and maximize efficiency

Larger gardens will benefit from sourcing locally

and SCHEDULE modes

Hanna Hi70007G GroLine pH 7.01 Buffer Sachets, 20 mL (25 pcs.) tool-measuring Ducting size: 4" | Length:HI70007G is a high quality pH 7. 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!