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Ouch! That's some mould-inviting humidity there! You don't want it above 70% if you can help it, 40-60 is better until the final two weeks of flowering when you should get it as low as possible to increase resin production. If your ambient temps are 83-87, I would seriously look at a/c, which...

Yeah I spend so much time on here and other places reading up on all these growing methods, how this will increase your yield and that will give you primo smoke etc but the only way to know what will work for you is to go and do it, so that's what I'm doing. I love the perpetual harvest method...

Lots. Power (W) is equal to voltage (V) multiplied by current (A). You have a 15 amp circuit, I'm assuming 110v, so 1650w available. Bear in mind thought that for continuous use you should stay below 80% of the breakers rated load, or 12a, meaning you have 1320w to play with, or 52 25w cfls...

As long as you pay your bills you are just another good customer. If the police are investigating things and ask the power company what your usage is they have to tell them, but they are not going to rat you out to the cops just because you started using lots of their electricity and paying for...

That's all well and good, but as you point out, giving the plants 6 hours more light a day (and using 6 hours worth of electricity) does not translate to an extra 6 hours worth of growth. I've tried both light cycles with fluoros, LEDs and MH. I honestly couldn't see a difference in growth rate...

Don't use an intake fan, for the size of box you have a passive intake will be plenty, see here for more info https://www.rollitup.org/view.php?pg=faq&cmd=article&id=581 Compact fluorescents are the cheap light of choice, there's a ton of good info here...

Consumption of nitrogen from the fan leaves (and subsequent yellowing) is perfectly normal during the later stages of flowering.

Who digs out a thread from almost two years ago to say that?

Maybe nobody has tried both to be able to draw a fair comparison? I've never even heard of an Nlite, I googled it and all I got was a deployment tool for bootable unattended Windows, which I don't think is what you're talking about. The only reason I'm not calling you on the excessive bumpage is...

I suppose it would depend how the plant was genetically inclined to grow. The sativa grows that my friend has done all tend to grow multiple tops anyway, I think one plant grew like 12, all within about a 4" height range. One thing I have noticed is that if when you clone, you don't plant the...

I'll let you know in 6-7 weeks if it's better to have a main top and 3 secondary "tops" than just letting the plant do as it pleases. Thanks for that, we've had a good discussion here! Keep on keeping on.

It might well cause stress, but at that stage in a plant's life I don't think it could cause hermaphrodism. Tbh it seems like one of those things you can theorise all you like about, but without actually trying it there's no way to be sure.

Pardon? You're worried that a cop chopper is going to pick up on some weed drying out with his FLIR? What are you drying it with, a space heater? FLIR cannot see through walls, it can only read the surface temperature of objects such as walls and roofs. If your weed drying out is generating...

So I was sat in my growroom last night, wrecked as hell, and started thinking about how the first week or two of 12/12 sets off a massive growth spurt in the plants, they grow an inch or more a day, sometimes growing 2 new nodes overnight, but don't really start properly flowering until midway...

Leaf tips turning brown could be a few things, check this sticky https://www.rollitup.org/general-marijuana-growing/1469-marijuana-plant-problems-cures.html If you want to remove a leaf or any part of the plant, use a sharp knife or scissors.

Imo that would be a great box to use for mothers and clones, you could get between 2 and 4 mums in there depending on how big they were, and how big your cloning apparatus is. I would set it up so as to take 4-6 clones every month, then select the best one to go into flowering. If you can make...

No problem fella. Should probably have mentioned that my previous post was based on the light running 12hrs a day, if you use it for veg on 18/6, 24/0 or whatever, the bulb life will be reduced accordingly. Also things like hot restarts, mismatching bulbs and ballasts or any mistreatment of the...

Nice job on the reflector, just a shame it's flat rather than dimpled ally, gives a more even light distribution. Since you'll be exhausting the room through your light, this guide should apply https://www.rollitup.org/view.php?pg=faq&cmd=article&id=581 . One thing that isn't mentioned often is...

If you have 40+ degree heat to deal with you are going to need a fair old heat exchanger to keep it at 25ish how your plants will like it! You might need ice boxes on the intakes for the light cooling, and probably an ac (can't help you with size, I'm in England so I've no need for air con...

That's the way I've always done it, and the way almost everyone with any experience seems to recommend doing it, so I'll go out on a limb and say it's about the best method of determining light-plant distance, yeah.