AutoPot Expansion Modules

★★★★★ 4.5 145 reviews
US$22.16
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US$22.16
Price when purchased online
Free shipping Free 30-day returns
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Product details

Management number 250625683 Release Date 2026/09/17 List Price US$22.16 Model Number 250625683
Category
  1. Indoor Gardening
  2. Irrigation
  3. Drip

Add more pots to any AutoPot system, any time

AutoPot Expansion Modules let you add one pot at a time to an existing system without buying a whole new kit. Each module includes the tray, lid, pot, AQUAvalve5, connectors, tubing, and root control material needed to connect one additional plant site to your reservoir. Available for 1Pot (2.2g or 3.9g), XL (6.6g), GeoPot (3g or 5g fabric), XXL (9g or 13g fabric), and easy2grow (dual-pot tray) systems.

Free shipping on orders over $49
30-day returns on all orders
Serving growers since 2006
Gallery
How to add an Expansion Module
Features
Why modules are the smart way to scale

Everything You Need for One More Pot

Each module ships with the tray, lid, pot, AQUAvalve5, tee connectors (3/8" and 1/2" to 3/8"), tubing, and root control material. Substrate sold separately.

Mix and Match Pot Types

Run 1Pot, XL, and GeoPot modules on the same tubing line from a single reservoir. Each module's AQUAvalve5 controls watering independently per tray.

Black or White Pots (1Pot)

The 1Pot module (2.2g and 3.9g) is available in black or white. White pots reflect more light and run cooler in warm grow spaces.

GeoPot Modules Include PotSock

GeoPot expansion modules come with a PotSock Round that must be fitted over the fabric pot before placing it in the tray. This prevents roots from growing into the AQUAvalve.

XXL Modules for 9 and 13 Gallon Fabric Pots

The XXL module uses the 1Pot XXL tray with grommeted lid, a 9 or 13 gallon GeoPot G Lite fabric pot, and a PotSock XXL. Includes an adaptive collar to fit the pot to the tray.

No Reservoir Required

Modules do not include a reservoir or inline tap. They connect to an existing system's tubing line. If you need a standalone setup, start with a full system kit instead.

Specs
What each module type includes
1Pot Module
2.2g or 3.9g pot, tray, AQUAvalve5, root control disc
XL Module
6.6g pot, XL tray, AQUAvalve5, root control disc
GeoPot Module
3g or 5g fabric pot, XL tray, AQUAvalve5, PotSock
XXL Module
9g or 13g fabric pot, XXL tray, AQUAvalve5, PotSock XXL
Connectors
3/8" tee or 1/2" to 3/8" tee
Tubing
3.3 ft of 3/8" pipe (5 ft for XXL)
Valve
AQUAvalve5 included
Colors
Black (White available for 1Pot)

How to add a module to your system

1

Turn off the system

Close the inline tap on your reservoir to stop water flow. Drain the tubing line if possible to avoid spills when cutting in.

2

Cut into the existing line

Cut the 3/8" tubing at the point where you want to add the new pot. Insert the included 3/8" tee connector. Use the 1/2" to 3/8" tee if your main line is 1/2" pipe.

3

Set up the new tray

Place the tray and lid where you want the new pot. Install the AQUAvalve5 through the grommeted tray hole. Add root control material, drainage layer (or AirBase), and substrate.

4

Connect and restart

Run the included 3/8" pipe from the tee to the new tray's AQUAvalve. Open the inline tap and let the system fill the new tray. Transplant when the tray is full.

Tips
Top 10 tips for AutoPot growers
Options
Choose your module type
Plastic pot modules
  • 1Pot (3.9g): Black or White
  • 1Pot (2.2g): Black or White
  • XL (6.6g): Black
  • easy2grow (3.9g): Black (dual-pot tray)
Fabric pot modules
  • GeoPot (3g): Fabric pot + PotSock
  • GeoPot (5g): Fabric pot + PotSock
  • XXL (9g): Fabric pot + PotSock XXL
  • XXL (13g): Fabric pot + PotSock XXL
Not sure which module matches your system? Check the pot size in your current setup. If your pots are square and hold 3.9 gallons, you need a 1Pot module. If they're round and hold 6.6 gallons, you need an XL module. Call or email us: 716-217-0353 / help@
See also: Add an AirBase and AirDome Kit to each new pot. If you're adding multiple pots, you may need a larger reservoir: FlexiTanks or Hard Tank.
Questions
Frequently asked questions
Yes. All AutoPot modules use the same AQUAvalve5 and connect with the same 3/8" tubing. You can mix 1Pot, XL, and GeoPot modules on a single reservoir line. Each tray's AQUAvalve controls watering independently, so different pot sizes don't interfere with each other.
There's no hard limit on modules per reservoir, but your reservoir needs to be large enough to keep up. A 12.4 gallon Hard Tank handles up to about 6 pots. A 25 gallon FlexiTank handles 6 to 9. For larger setups, a 60 or 105 gallon tank gives you headroom. The real constraint is refill frequency, not system capacity.
No. Modules include the tray, pot, valve, connectors, tubing, and root control material. You supply your own substrate, drainage layer or AirBase, and any amendments. Use the same mix as the rest of your system for consistency.
Fabric pots allow roots to grow through the pot walls and into the tray, which can clog the AQUAvalve. The PotSock wraps around the outside of the fabric pot and contains root growth within the pot. Plastic pots don't have this issue because the rigid walls contain roots on their own. 1Pot modules include a root control disc instead, which goes at the bottom of the pot.
Yes, but you'll need to briefly shut off the inline tap to cut into the tubing line and insert the tee connector. It takes a few minutes. The existing pots won't be affected as long as their trays have water in them during the interruption.
If you receive a defective or damaged unit, email us a photo at help@ and we'll make it right immediately: replacement or refund, your call. For change-of-mind returns, we accept returns within 30 days for items in new, resalable condition. If you're not sure whether this product is right for your setup, call us first at 716-217-0353. We'd rather answer your questions before you order.
Happy Hydro has been selling growing equipment since 2006. We've carried AutoPot for years because the systems work great and customers who buy them leave happy. Have questions before you order? Call 716-217-0353 or email help@. We're easy to reach and happy to help!

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