Dry & Mighty Bag Large (25 pack) cloning-and-seed-starting Formulation Hanna pH buffers are

Formulation Hanna pH buffers are made of potassium dihydrogen phosphate and disodium hydrogen phosphate and are standardized with a pH meter calibrated to NIST primary standard buffer solutions (NIST 186Ie & 186IIe and NIST 158g S

1 x Thermostat Station (TS-2)

Water soluble powder

organic compost

Dry & Mighty Bag Large (25 pack) cloning-and-seed-starting Formulation Hanna pH buffers areDry&Mighty bags are Air tight, industrial grade storage bags. They use a puncture and tear resistant plastic that is completely flexible for easy storage of any product. When combined with one of our sealers they provide an air tight zip lock seal keeping out air, moisture, and contaminants. The snap close top allows it to be re opened and closed over and over. They also stand on their own! 13''x14. 5''