Hanna Hi70004G GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) tool-trellis : 73049-56ACTIVE INGR

: 73049-56ACTIVE INGR

Use it every other watering starting at week 5 or 6 for optimal results

it is exclusively for plants

When the flow rate of the product water slows down significantly

By adding Worm castings and Volcanic Rock dust we transform this basic PRO-MIX into living soil

Hanna Hi70004G GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) tool-trellis : 73049-56ACTIVE INGRHI70004G 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!