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- #121
This is a pretty good explanation I think.
physical properties
SO the perched water level is media dependant, and a bigger pot puts a greater distance between your plant and the PWT, so use the biggest pot you can to avoid your root ball sitting in the PWT? or a wick like you said already.
Yep. You've got it. Let's say, for the sake of discussion, that my soil has a PWT of 5 inches. If the pots I use are trapezoidal in shape, the top being wider than the bottom, and they're 3 gallons, the PWT is going to make the lower 1/3 of the pot somewhat inhospitable for root growth.
However, if I use a large pot....7 gallons or so, the same 5 inches are inhostpitable to roots but the volume of soil that is "good" is much higher. Once the plants are large enough, the PWT is less of an issue. But if you want healthy roots, you've got to deal with it sometimes.