4'x4' Economy ID Tray - White biological fertilizer This exclusive formula is a

This exclusive formula is a universal supplement for both growth and bloom

- Provides automatic differential for precise CO2 concentration control

This ducting is designed for various ventilation

It will also breakdown salts into bio available nutrients

4'x4' Economy ID Tray - White biological fertilizer This exclusive formula is aEconomy Flood Trays are made from high quality ABS plastic that are crack resistant and contain UV inhibitors to prevent them from breaking down under natural or artificial lighting. Economy Flood Trays feature newly re designed channels as well as dual step sidewalls which allow for 2 different root heights. All Economy Flood Trays are 6" in depth. MOQ on freight shipments for flood trays is 6 units. MOQ does not apply to local deliveries from