FloraFlex Air Bleed Valve 3/4 in, 6/pack Fans / Ventilation / Ducting The Gavita EL controller series

The Gavita EL controller series currently comprises of two models: The EL1 and EL2

great for your bottom line

It contains all 17 essential elements

while fully hardened

use the KCl solution to store the pH pen/probe after use and hydrate monthly

FloraFlex Air Bleed Valve 3/4 in, 6/pack Fans / Ventilation / Ducting The Gavita EL controller seriesThe FloraFlex Air Bleed Valve (3 4 in) can be installed on any mainline to prevent air locks. When water starts to flow, air is forced out of the Air Bleed Valve. When water hits the valve, the valve closes and water flows freely through the line. This product gives you more control over the accuracy of your feedings.