Hanna Hi70031G GroLine 1413 uS/cm Conductivity Standard Sachets, 20 mL (25 pcs.) env-humidity They have a strong 3M

They have a strong 3M adhesive that can endure autoclave temperatures of over 250F at 15psi for extended periods

Transforms root zone waste into available nutrition

The HI98118 can be used to measure the pH in soils as well as nutrient solutions

This means that you can expect robust and healthy mushroom growth when using organic rye berries as your spawn substrate

Hanna Hi70031G GroLine 1413 uS/cm Conductivity Standard Sachets, 20 mL (25 pcs.) env-humidity They have a strong 3MHI70031G is a high quality 1413 uS cm conductivity standard 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!