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Thanks. Being primarily an auto grower I wasn't aware that flowering didn't begin as soon as you put them in 12/12. It makes sense though.

You need around 15 air changes per hour. An easy formula is fan cfm multiplied by 60. Divide your answer by the volume in cubic inches. The answer is the ach calculated off the stated max cfm of the fan. Use your fan controller to dial lt back.

It all worked out. Trichs are 75% cloudy and 25% glassy. 8 weeks in 12/12. Does about 2-3 weeks to harvest sound about right?

Interesting. I have never tried this before but I might give it a shot.

So I went on a trip and left feeding instructions for a friend who was taking care of the plants while I was gone. They went into 12/12 a week before my trip. They were topped about 10 days before 12/12. When I returned I was surprised at how much they stretched. They look healthy, but huge...

Plants use circadian rhythms to prepare for battle with insects.

These are some Ethos Mandarin Cookies V2 that I didn't pay enough attention to when they sprouted. The light was too dim and too far away. I transplanted the seedlings into 1-gallon pots and buried 1/2 of the stem in the soil. 10 days later they seem to be okay. I was actually following the...

I use this stuff. It's $250 for 25' https://www.controlledairdesign.com/products/hoses-tools/cws-fr-welding-duct

Your fan speed should be based on 10-12 (ach) air changes per hour. As far as your electrical mods, a VFD should allow you to dial in the rpm of the motor.

I let the soil dry out and I brightened the dimmer. The light is 24" away. It's a Timber Vero Cob 400-watt. They seem to be taking off now. Thanks for the good advice guys!

Thanks friend bongsmilie

Yes. 60RH and about 80F. I have grown mostly autos and everyone is 3x larger at this point. This is a previous grow. Everything I am doing is identical to all my previous grows. Hopefully learning as I go also. There's something not quite right with these seeds, IMO...

They were in solo cups for a week. They have been in 1-gallon pots since then. This has worked well for 25 or so grows.

I sprouted 5 Mandarin Cookies V2 14 days ago. Here they are at 14 days. I must say...compared to anything else I have grown, there are growing very slowly so far. Is this normal?

I think the anxiety comes from harvesting too early. Sativas generally take about 15 weeks to flower. Drying too quickly and not curing correctly will do it too. At least that has been my experience.

You should take all the leaves off and make a toothpick.

Leave it alone. You don’t need to interact with the plant all that much. It already knows what to do. Just water and give as much nutes as your environment can process.

Nice job Frank!

Hi y'all.. My grow room is in my garage. It's a 10'x4'x9' plywood box with COB lighting, exhaust fan and passive intake. I live in the south. This grow will be photoperiod. I usually wait until 2nd week of august. I use the 6 hours off when temps are highest. I've been able to avoid hi-temp...

Thanks :) it's Rocbud Passion Punch. I highly recommend.