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This here post is one of those that i love that somebody had the idea to do: https://www.rollitup.org/p/12727580/ Since were getting into spectrum i think its a good thing to check out. Spectrometer placed under 1, 2 and then 3 leaves in order to determine what light was absorbed by the...

Well sort of. People generally agree that you can grow well with leds which was a miracle some years ago. Nowadays people dont argue which is best anymore but argue how to define best. Thats a setup that makes a lot of sense. Equal height lighting. We grow with leds pushed down fairly low...

The standard "full" spectrum growleds of the likes of SF, mars, pretty much every led of the market only covers 450-660nm well. Youll see some that have some near UV incorporated or far reds but it tends to be only the smallest smidgen. Par range is 400-700nm so that means the cover about 2/3rds...

Thanks for keeping me straight here, many of these datasheets i havent looked at for some time :) Do you know any manufacturer making a replacement alternative for the lm301h evo? To the best of my memory the dropp in cree version is using a 450nm photon pump.

Could be the clones just as well, even though the the genetic is same there could be some epigenetic drift: genetics losing their magic. If it was any other lights id be inclined to say go for it but dem sum expensive and really good lights. If par levels are the same my suspicions would not...

Is there a an external dimmer connected? Try disconnecting it, they tend to go bad and glitchy. If no joy: isolate the problem to light fixture or driver by switching driver with another one of your arrays. Driver should likely still be under warranty. If its the strips well then examine them...

Those 561Cs have really good thermal handling, iirc their thermal coefficient is even lower than the 301Cs.

Ok, the single bar style light? that should be plenty :) For those more "centre hotspot" lights 300w could well be a bit too much for a wide tent.

Increasing humidity without any heat input will always lower your temps slightly. In the same way increasing your temps will always drop humidity somewhat.

OP: plant is looking good but yes the leaves are a bit down but nothing major. Do all the girls drink/dry out the same? Or does the middle one drink slower? Its the centre plant and one would assume it gets a little more light than the sides. Have you tried switching up the plants so middle...

Looking very healthy :)

I agree, 30-35w is usually ok for a tent, maybe a little more in an openspace and remembering in the end its not the watts, its how the light is spread around the growspace. I cant remember the form factor of Mars TSL. Also, for anyone who missed it, do not connect anything Mars to the...

It may even be a bot overkill: autos get much more total light per day since they arent constrained to 12 hours in flower; if you ran 300w for 18 hours its the same total light as 450w during 12h. Keep it dimmed and look for signs for possible overlighting.

Hey Duke, did you figure out what to use in the end?

Good to see you and the Mars girls again, Dawgie :) Whenever this certain kinda Mars news comes up i always come back to @REALSTYLES Mars lights Final End... Its the "Im so glad its over" that gets me every time, lol

Yeah but theres reasons for that. https://www.androidheadlines.com/2025/02/2-7-billion-iot-records-leaked-in-massive-online-data-breach.html From what i understand theyre no longer a sponsored advertiser (likely booted off but not sure) nor here nor on icmag.

Our Quest dehuey was a great investment qnd keeps on running year after year.

You sound like someone who would get a real kick out of DIY leds ;)

Leaves look very unusual. Do you use heavy uv already in veg? Maybe strain related aswell

Following along on this one, i like the berry vrs fruit terpprofile very much from a recent phenorun of some purple punch x black banana Kush crossed with a buddies private genetics.