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How long does it take an indoor plant to 'recognize' that the light schedule has been changed to 12 hours on and 12 hours off? Is it instantaneous or does the plant kinda gradually respond? Just curious.

I'm taking my first shot at hydroponics using Lucas formula and so far things are going great. The plant is at five weeks today and is looking good to my inexperienced eyes, but I have a question. Before this I always bought auto-flower seeds but this time I used seeds from an auto-flower I...

I'm doing my first attempt at drip bubble hydro using the Lucas formula with GH Nutes (Bloom and Micro), and the plant is doing great. At first I had some light burn problems easily solved by adjusting the light, but now this new thing is happening... large geometric areas of pale green are...

I live out in the sticks, hardly have neighbors, and haven't come across anybody growing outdoor pot anywhere near me, so I thought I'd try growing outdoors with some fem seeds only. Plants came up and looked beautiful, and were all definitely females as advertised (purchased from...

Just started to harvest an indoor grow of Gorilla Glue, and the first bud was huge and long, and had a lot of secondary buds of decent size growing along the stalk. On closer inspection of the top-most and biggest bud, I found that white slimy gray mold inside the bud while trimming off the...

I have a small grow tent (3x3 at 6 feet tall) and I'm using a Mars Hydro 1000TS in the tent for light. This question may seem odd, but can bad or inadequate light also cause leaves to get brown spots and turn yellow?

I was perusing soil recipes and saw mention that bat guano is an excellent amendment for soil, but also saw a reference to getting a bat guano that was not as high in nitrogen as most garden guanos.. everything I find online though is high in nitrogen. Can anybody out there recommend a good bat...

Relatively new guy here, looking for free advice (the expensive kind) as regards prepping water and nutrients for a soil grown in a grow tent. I was hoping I could find an existing thread on 'how to mix water and nutes in 5 easy steps' on the board, so I wouldn't have to drive the other...

So I see all these different posts that talk about how if you expose plants to light during the 'night' part of a 12/12 light cycle, it completely messes up their flowering or bud production, can stress them out and cause all kinds of doom... but I'm having some doubts about all of that. Nature...

I have two plants, both are very healthy, green, bushy, and about two feet tall. I planted the seedlings on April 2nd and it's now May 21st... and I'm still not seeing any signs of flowering. I'm not sure how long this strain should be in vegetative growth before you start to see some signs of...

I'm just starting out at growing my own and I only have two plants in a grow tent, under a 1000 watt led light. Both are in an identical 'homemade' mix of generic potting soil, compost, perlite, a little manure and peat, and then added lime to bring the ph down to about 6.5. Only one of the...