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Great post!

I see a lot of grow journals in other than the grow journal blog format on this site. What's appropriate? Seems like there is slim to no participation on the blog end so I was thinking about posting mine here. Thoughts?

He mentioned light intensity in the post so...I would think the closer the light is to the plants the more intensity and penetration you'd get but I can' see where the penetration part would be better further away when I think about it.

That's interesting and would be the opposite of what one may think..

967 is my max so...sorry not sure I understand your question. (which should surprise no one lol) I just got off the phone with @RainDan and he cleared a lot of my questions up. Very knowledgeable guy and I'm glad I bought my light from them. I think what I'm dealing with more than anything...

That's what I thought too, thanks for the confirmation...I can't think of the term for it though... Thanks!

If my light has at max power puts out, say, 967 μmol/m2/s PPFD at 18" would it be half that for 50% power? I've got a 200w light, I run it at 100w. Would that reduce the output by 50%?

I have a camera in my box that takes stills so yeah I look, oh, 5 times during lights on everyday mostly to check on how my light is working/do I need to water. I love checking on them. I take two pics a day. Probably to much.,.. Do I have a problem?? Lol

Great discussion folks :clap:

So does anyone think that the risk of a hermie is increased with this plant?

So then the consensus is as long as I'm close to the correct numbers par wise, based on the specs from the manufacturer, and I've got even light distribution, I should just let they plants tell me if, toward the end of the daily light cycle, I need to adjust the light intensity down as they are...

Point taken. When I was growing under hid I had my environment dialed in. I've replicated everything from that space with a new box except the light so I'm learning as I go. Thanks.

Then you calculate the par with the conversion factor for the light?

Are there phone apps that are accurate? I didn't even think of that...but I wouldn't lol.

Especially because, I mean, I'm not in this to be a commercial grower. I'm just a guy looking to refine the little grow space that I've created for myself. I use 3500 80CRI. Which meter do you use?

Depending on how much vertical room you have to play with, you may be able to get away with just lst or some other form of training. That said, they aren't in the screen now so you're fine. If they get close to the light just bend then some. Training is better early in flower than later. Nice...

Yes that's what I was thinking too but that said, measuring with a device that's inaccurate is the same as measuring with a wooden spoon right?? Lol

Wow, that's helpful, thank you. Sounds like this makes any conversion a bit crap shoot?

By repeatable you mean they provide a consistent measurement?

SPD chart? Could you provide a link please? I just googled lux to ppfd conversion but couldn't find a conversion factor for LED in a quick search. Thanks man!