5x5x6.5 with Two Sf2000

How many plants can this space and lights handle?

Using ffof soil and nutes , 3 gallon pots

You are working with about 400 watts of power with decent diodes. I really wouldn't try to flower more than a 4x4 footprint. I'd probably shoot for 5-6 plants.

GBAUTO said:

You are working with about 400 watts of power with decent diodes. I really wouldn't try to flower more than a 4x4 footprint. I'd probably shoot for 5-6 plants.

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Perfect , should i make my space smaller for this?

No, the 5x5 tent is fine. I'd just try and use a 4x4(or less) footprint to grow plant under your lights.

Lilmink said:

3 gallon pots in 5x5

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And you’re asking us after you’ve decided upon pot size? That’s easy enough math right?

New growers are often surprised to learn that it almost doesn’t matter. The equation of light to space to soil quantity to nutrient availability all make the formula for yield. Quantity of plants is irrelevant, provided the space is filled.

You’d never really grow this way, but 225 solo cups in your space would deliver the same yield as 4 massive plants in big pots, and in a lot less time! Does that make sense?
Pick your poison. Decide how long you want to veg. And if you’re growing auto, which you shouldn’t be, they don’t get huge so you’ll need plenty.
Best wishes and enjoy the process!