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Do bigger pots necessarily mean a bigger root ball? If not, should I upsize if 3gal pots aren't even close to being root bound?

Shadowtf
Shadowtfstarted grow question 3 years ago
If I use bigger pots, will the root ball get bigger? I used 3gal pots, and the ball didn't come close to sides or bottom. That being said, what good would moving to 5gal pots do for me? I bought some, but not sure if they will be of any benefit to me. I grow rather small plants.
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Organoman
Organomananswered grow question 3 years ago
The more soil there is, the more nutrients your plant will have access to, meaning it will grow faster and you will not have to feed as early or as often. You will also have much less chance of getting any sort of nutrient salts building up to toxic levels in bigger pots. For photoperiod plants, I would certainly not consider anything under 5 gallons as being adequate. Bigger pots will certainly benefit your plants. And yes, more soil = more roots = more plant. Also, remove the "humidity domes", your seedlings do not need them, but they do need good air exchange to sprout and grow properly, something that humidity domes prevent. Humidity domes also increase the risk of disease and/or moulds and fungus, which can be fatal to young seedlings. Just because "everyone else uses humidity domes", does not make it right. Hope this helps, Organoman.
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Ezzjaybruh
Ezzjaybruhanswered grow question 3 years ago
Yes bigger pot bigger roots but if it doesn’t have time to fill them out, it doesn’t matter. That’s the key there.. if you put it in a 5 gallon and Veg for 4 weeks, it’s not gonna fill out the pot like vegging for 8 weeks would. So your Veg time is to be taken into account. Also. If you use fabric pots, the roots don’t grow up against them like in a plastic pot. They get air pruned, so it appears different when you pull away the container..
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m0use
m0useanswered grow question 3 years ago
Bigger Pot = Bigger Roots = Bigger Plant Almost Always If your pots are fabric you may not have noticed the roots hitting the sides as it got to dry. Or if it was a transplanted autoflower they do not expand well once they go into flower or have transplant shock. Use back plastic that does not allow light in as this can disturb the roots and encourage algae growth taking away nutrients from the plants. I would use min 3gal pots max 7gal in my setup. but outdoors, hell go big the plants can explode into massive shrubs/trees. Good Luck.
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Tubington9
Tubington9answered grow question 3 years ago
It sort of depends on what you’re looking to grow🤷🏿 If you’re looking to grow monsters like people do in their yards, you’re going to need a large planter. But generally 5 gallon pots are the go to for photos in a tent environment, and 3.5-5 gallon for autos🤷🏿. The plant will grow to it’s environment just like gold fish in a bowl compared to goldfish in a 50 gallon tank. If you’re flipping early and keeping them small you can try 3 gallon and worst case scenario you gotta transplant
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