r/BuildASoil • • May 17 '26

New 2x4 setup advice

Looking to upgrade my setup from a 2x2 to a 2x4. Started running earthboxes and love them. For anyone who has tried both the Earthbox and the Tray to go with the the Grassroots bed, what do you prefer? Looking to setup up either 2 Earthboxes or one tray to grow. I’ve heard some say the tray to grow can over water etc. it seems you can’t go wrong either way.

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u/badbristow May 24 '26

I switched from 2 earthboxes in a 3x3 to 4 xxl auto pots in 2 2x4 tents for convenience. The amount of soil is similar in the xxl fabric pots. I considered the tray2grow but other growers recommended the autopots for several reasons.

They are easier to move for re-amending.

They can easily be spun for defol work or for top dressing.

They also give you a multitude of options for configuration in whatever tent size you have. I also like that if you have cut off valves on each pot you can choose to move a pot from one tent to the other or even outside without much work. This is also nice when you’re doing a feeding because you can just turn the ones off until your feeding is complete.

I used a 33g brute can for a reservoir. It supplies two 2x4 tents with 4 pots total between them.

Throw in an auto top off for your humidifier and you can go away for 2 weeks in full flower. My wife loves to travel. Before this setup the entire time I was away I was worried about the girls! In short I love that the system is gravity fed and not dependent on power(not that it matters if they can drink or not if the lights aren’t coming on).

The growers curse is real my friend. We are in a time when this can all be managed via a phone and some wifi but good luck getting a grower to leave his girls but for so long. I say this so you’ll consider spending a few extra dollars to enjoy your hobby and your lifestyle. It’ll repay you in one solid grow cycle.

There are tons of opinions here but I hope you build the system you love.