@Psilocubensis, It also occurred to me to increase the size of the container little by little. If you do, make sure to use a rather large hydroponics pot, otherwise it will be hard to get the root ball through the hole when you want to move it to a larger container. For example, in my case the pots were 7.5 cm in diameter and the root ball would not have come out of the hole since week 3. Surely i will do what you say in future grows but using 14.5cm hydroponic pots. Even so I worry that it is not enough, but I do not have the possibility to buy them bigger.
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