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Does anybody know what would happen if you had your lights alternate from being on and off every 15 minutes? I would imagine they would either turn into hermaphrodites or stay in veg.

These are 60/40 indica/sativa white widows, and they are 7 weeks into flowering. Based on the picture, how much longer should i wait for a harvest with optimal thc?

No, my watef comes from lake Michigan cuz i live near Chicago

All 4 of them are in potting soil that came with some perlite mixed in. The guy at the store said it has no added nutrients

These plants are a month into flowering, and these leaves concern me. The ph of my water is a tad over 8. In the last 2 waterings, i gave them water with a ph in the 6.5 range. Im pretty sure this is a lockout problem, because I know that 8 is too high, so if I just continue giving it water at...

The npk of my nutrients is 1-2-2, and it says to use 7mL per quart, and i have a phosphorus deficiency, so how much of this should i give the plants, and how often should i give it to them

I got a flowering nutrient with an npk ratio of 1-2-2. The bottle says a serving is 7 mLs, so how much of this and how often should I use it?

I cut off 2 out of 3 of the leaves that looked like this, and my question is what do think it could be?

This is my first grow, and I am using a 300w viparspectra led. Today I changed to flowering after 6 weeks of veg. There are 4 white widows. Should I add a few cfls near the bottom so my popcorn buds aren't so fluffy?

I was about to start flowering my plants, but it looks like I have a phosphorus deficiency. Does this seem like the culprit? The plants are about 4 weeks old, and there are only a couple leaves like this, nearly all of them are at the base of the plant. My nutrients have an npk of 5-3-3, but it...

I was about to start flowering my plants, but it looks like I have a phosphorus deficiency. Does this seem like the culprit? The plants are about 4 weeks old, and there are only a couple leaves like this, nearly all of them are at the base of the plant. My nutrients have an npk of 5-3-3, but it...

All 4 plants are pretty close to the same size, and they have 4-5 nodes. The plants are 3 weeks old by the way. Is this the appropriate time to FIM them?

This pic was taken yesterday and by now the apparent symtoms are most likely worse. I cannot say indefinetly because my plants are in my attic, and the entrance to the attic is in my sisters room. As you can see, if I were to take the bottom leaves and squish them, they would turn to dust. Any...

Thank you so much for your advice. I just gave the plants a very small amount of nutrients with an npk of 5-3-3

I have 4 feminized white widows and after around 2 weeks, they all were drooping and I thought they would die. Since then, I have moved them out of their small styrofoam cups and put them into 2 gallon pots. This is my first grow, I am 15 years old, and I am using a viparspectra 300w led. Any...