Hanna Instruments 5000 uS/cm Conductivity Standard HI7039L (500ml) pH Down Double Hydrotray Lit x 1pcs

Double Hydrotray Lit x 1pcs

9ft 72 plants Waterfall Farm x 2 units

4mm tubing 75cm x 1pcs

Replaceable pH electrode cartridge

The configuration can be tailored to the needs of the crop

Hanna Instruments 5000 uS/cm Conductivity Standard HI7039L (500ml) pH Down Double Hydrotray Lit x 1pcsHI7039L is a premium quality 5,000 S cm conductivity standard that is prepared against a NIST traceable potassium chloride solution. Hanna conductivity solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hannas line of conductivity standards have been specially formulated to have an expiration of 5 years from the date of manufacture for an