Hydro Logic Float Valve, 3/8" (HL27020) 5x9 Grow Tents Hanna suggests cleaning the bulb

Hanna suggests cleaning the bulb and junction of your electrode on a regular basis to ensure that the probe is always clean and to prevent any clogging of the junction

Dosatron’s Mega-Flo Series Fertilizer and Chemical Injectors

5 gal it allows for unchecked horticultural adventurism in the home

Vertical mounting: Yes

Hydro Logic Float Valve, 3/8" (HL27020) 5x9 Grow Tents Hanna suggests cleaning the bulbThis float valve features a 3 8 quick connect fitting and adjustable water level. The float valve allows you to fill a reservoir or tank, unattended, to your desired water level. For use with the Evolution RO1000, Tall Boy or any other filter systems with 3 8 tubing. Can be mounted vertically or horizontally.