Grow Talk

[Frank_White]

This run I’m in the 5×5 with 2 320w HLGs. That is just over 25 watts per square. I’ve read 40 watts over and over. I’ve flowered this room with these fixtures a few times now, and from what I can tell I’ve have had pretty good harvests. Over 1g a watt which I know isn’t any record but at the time for a novice, I was pleased. I’m not growing for weight, or to break any yield records, but mostly for quality and my mental health. But I would like to know I’m bringing the genetics I’m running to their potential, or at least close to. All that said, 1000 watts of LEDs for a 5×5 sounds like alot. I’m currently in week 3 of flower, lights are about 16 inches from tops and I’m running both lights about 60% at the moment. Any advice or information is greatly appreciated DGC!

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Discussion

[realbaker420]

have you tried measure the ppfd ?

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[Frank_White]

Not with a real meter. I had an app but it was a toy, not a tool. Is there one you could recommend? That probably will answer most of my concerns. Thank you for response.

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[realbaker420]

i dont know how presice it is but the UNI-T 383 bt is available on amazon for cheaps..

Shane from MIGRO is testing it in a video about the ppfd app.

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[Frank_White]

Thank you for the advice! I really appreciate you taking the time, my friend.

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[bc-tx]

I run a Mars Hydro FC-E6500 in my 5×5 and its a beast. You can get one on Amazon om sale for a little over $400 bux right now. Its 730watts but I only run it on full power for the last 4 weeks or so. I normaly fill my space with 8-3 gal pots or 6- 5gal pots and consistently harvest around a pound top nugs (2 to 3 oz per plant) and a couple bags full quality nuglets and shake for blasting and edibles. I use my 300watters for veg now only but had decent results flowering with them. Nothing like this big boy though.

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[Frank_White]

I found an app called Photone that’s pretty slick. Saw a couple good growers claiming it’s legit. Would love to hear if anyone here has used this app.

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[scottyreal]

Photone app is pretty good. You’re supposed to have some type of diffuser on there, but i use it as a reference point. It gets my thumbs up!

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[pacnw-dan]

Photone is a reasonably good app. I use it on my Galaxy S24. I also have a Pulse Pro, so I can compare the app with a “real” sensor and Photone tends to be within about 10-15% (may read 550 when it’s really 495, that kind of thing). Close enough that you’ll be able to tell 1000 from 700 from 400 reasonably accurately. Accuracy increases with a diffuser filter (you can use a sheet of printer paper).

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[Frank_White]

Will the real Scotty Real please stand up! Thank you brother!

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[jiimii]

This is what I have been using and for the $ you cant beat it.

https://a.co/d/9F5Yl5Q

a.co

VBR-100 Quantum PAR Meter 6000umol/(㎡s),Full Spectrum,Show Red and Blue PPFD in Light Seperately,PPFD Distribution Record: Amazon.com: Industrial & Scientific

VBR-100 Quantum PAR Meter 6000umol/(㎡s),Full Spectrum,Show Red and Blue PPFD in Light Seperately,PPFD Distribution Record: Amazon.com: Industrial & Scientific

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[Frank_White]

Thank you DGC for the advice! Truly appreciate it!

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