?? Closeness of plants

So my first grow is going better than expected. I just switched to 12/12 after 5 weeks from seed. First two weeks seemed so slow as nothing was really going on other than these tiny little seedlings to look at. Weeks 3-5 holy shit they blew up. My original plan was to switch at 6 weeks but the way they bushed out and stretched I had to switch a week earlier which is no big deal. I've done LST and even tried super cropping one of them. So my ??? Is regarding how much space should I have between them. Right now they are All up in each other's business. Is this ok. They all get plenty of light and pretty good air flow. Just curious cuz I can't really space em out any more. I mean looking at my canopy is crazy. Can't tell what's what anymore.

You can jam them together pretty tight and still get great results. Higher risk of some molds and mildews so you want to be prepared.

Bugeye said:

You can jam them together pretty tight and still get great results. Higher risk of some molds and mildews so you want to be prepared.

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Don't know much about that. What is the correct actions when mould or mildew is seen

Ovibird said:

Don't know much about that. What is the correct actions when mould or mildew is seen

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There are a lot of approaches to dealing with it and I don't presume to know the best. I do a proactive spraying and soil drench of Actinovate and try to have good air circulation. Once I have it I up the dosage and frequency of the Actinovate and do some H2O2 rinses. If you do some searches on the subject you will find tons of information and differing opinions.