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Auto3 XL

Auto3 XL includes:

  • 1x Auto3 XL tray
  • 1x Auto3 XL lid
  • 1x Round blue access cover
  • 1x AQUAvalve5
  • 1x AQUAvalve5 cover
  • 1x 3/8″ top hat grommet
  • 3.3ft length of 3/8″ piping
  • 3x 6.6gal plastic pot
  • 3x Root Control Disc (round)
  • 1x FlexiTank (only if you select a FlexiTank)
  • 1x 1/2″ – 3/8″ click fit tank adapter and filter (only if you select a FlexiTank)


Choose an option below:


Auto3 XL allows you to irrigate three 6.6gal plastic XL pots in single tray and lid assembly that measures just 45” x 15.2”. All fed by a single AQUAvalve5.

Footprint is reduced. Fewer lights are needed for more tightly arranged plants. Vertical racking becomes a viable option thanks to reduced maintenance.

FlexiTank Regular Information Sheet

FlexiTank Pro Information Sheet

If you do not want to use a drainage layer of clay pebbles, hydroton or perlite No3 at the bottom of your pot, consider adding AirBases.

If you want to add extra oxygen to your root zone, consider adding AirDomes. 

Cultivating with Auto3 XL benefits growers in three key areas:

Growing Space

  • Maximises the available area
  • Ideal for moveable racks and rolling tables


  • Draws no more water than 3 single XL trays
  • Reduction in components = reduced maintenance duties

Plant Health

  • Unlike a large, single, flat tray the moulded base minimises standing water
  • Lid blocks light and debris from entering the tray

Minimum Reservoir Requirements

1x Auto3 XL – FlexiTank 13gal
2x Auto3 XL – FlexiTank / FlexiTank Pro 25gal
4x Auto3 XL – FlexiTank / FlexiTank Pro 60gal
8x Auto3 XL – FlexiTank / FlexiTank Pro 105gal
10x Auto3 XL – FlexiTank 200gal

Auto3 XL Resources


Additional information

Weight 52 lbs

No Tank, 13 gal FlexiTank, 25 gal FlexiTank, 25 gal FlexiTank Pro


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