I tried to reply to you grow question. I guess I couldn't but the plant looks healthy I notice in your charts and you don't post any feeding if that's the case she will probably benefit from Calmag .as well the soil doesn't seem to have perlite or nothing that will make it more Airy therefore making the roots spread easier through the soil and then that's what gives you a bigger healthier plant also you seem to be growing a midget plant by genetics so when you cannot expect something very large and when it comes to topping if you're planning to top her when she enters flowering stage that will be the worst thing to do to it it will cause
the plant to become very stressed you have to do it on week 3 or 4 just before it starts to flower .
Hopefully this information helps you out good luck with your garden have a happy grow.
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