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would i need to find the surface area of the bulb to guestimate the used output of a T5 reptisun? say .86m long bulb @ around .02m wide *pi = .054m^2 surface area so for having only .054 square meters of light emitting area, we would only get .054mW of UVb from a bulb?

Hey help me figure this out, I'm trying gauge the output of reptisun bulbs. They say 10microwatts radiance per cm^2 . That's only 1mW per meter ^2 of radiant output right? So, I'm looking at some uvb diodes that emit 40mW. Do i have these in the same unit already? Is radiant mW of the led per...

plants are looking dandy big one is creme bubbly - mephisto (using BT, fly paper is a bit old) ____________________________________________________________________------ Hubbabubbasmelloscope (~1.5 weeks younger)

The current is constant but is ~50% less than the light if it were just plain on. It's basically a typical power supply but without a paralleled capacitor to smooth the output voltage. But anywho, I completely agree that the plants would probably hate it. OP: just build a good light and don't...

Well, realistically if it was 50% duty cycle, Meaning it is on 50% of a complete on/off period, then you would have a power consumption of 50%. So in short, it would work, but if you were to just dim your light to 50% it would be the same exact thing but without an annoying strobe.

Yea probably, panel mounted PC fans might be easier in the long run though

You'll want a fan at higher powers. But still, a little bit of fan goes a long way on strips.

no problemo

Can do:hump:

yea go ahead. You fan with the lid or something and mist with a spray bottle. Then replace the lid and repeat a few hours later. So, yea always keep the lid on when you arent working in the tub.

Hey family, Advice is more than welcome here as I have never grown vertical but i made two 2'x4' ScrOGs and figured i should do some mad vert tricks. I'm starting with heavy yielding autoflowers; Mephisto genetics sourced directly from them. I picked a few of their sativa dominant strains and...

mind as well start fanning and misting if you are seeing pins

i would put money on it. It looks like the humidity dropped. You can tell by the cracked cap

Im using local honey and a stir bar/plate.

Yea maybe, I haven't had many dense sativas. Maybe diesel being the densest sativa dom in my garden. Indica plants were always more rock solid though. Just my experience. Maybe I need to tweak something.

Coffee will green up leaves over night. You can dilute fresh coffee in equal parts water or just mix the spent grinds with as much water as you would when making coffee but then just stir the grinds around and pour into the soil.

Seems hot as hot can get... Id use those amounts of dry amendments per 5-10 gallons of soil, not every cu ft. And you can use more compost than that. For instance: 1 part compost 1 part vermicastings 1 part old soil 1 part perlite . Then amend lightly

I personally would wait a few weeks for the plant to get slightly taller, you have a even canopy right now. Six inches more of growth will give more nodes per cola. You'll only get crazy dense buds with an indica dominant strain.

Hell yea, Don't use it in lc. It's superior without it.

Nah three weeks would have been really fast for a lb of grain spawned from spore. Nothing you can do but wait it out