Thanks im gonna be checkin in on um pretty often to see if i notice any changes.I was just reading one of the experienced growers stated they start calmag at 21 days and use whole grow I don't know if they are using led lights or not I'm not going to use unless it shows it needs it I don't want to feed somesomethbefore needed my calmag defiencies did not look like that I have not grown enough to know anything with out lot of research there's a great picture guide to defiencies on here I used it and did okay I can see it's creeping up from the bottom you will notice a difference in a few days if that's it.
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