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@TreeFarmerCharlie How do you intend on securing the heatsinks to the aluminum extrusion?

Just add red strips. I built my latest DIY lamp with (6) H-Influx strips (l06) (I had F-series for my last lamp, H-influx are better overall IMO) and I added 2 HLG QB11's in 660nm. I don't have the resources to test my lamp but given the results of HLG's QB's whith monochromatic reds...

Fwiw I thought I was doing well with the eye-ball watt estimate method until I got myself a lux meter and used this link for a ppfd estimate: https://www.waveformlighting.com/horticulture/convert-lux-to-ppfd-online-calculator

High temperatures can also cause stretch.

He was likely referencing your reply to me, which was patronizing and rude. The silver lining here is that you're the one back pedaling and still trying to understand the writing on the wall.

Red monochromatic LEDs + warm white LED is exactly how you raise CRI while keeping efficiency high as far as my understanding goes.

Utter trash

Come on guys at least pretend to try a little bit. The dimensions of your light are stated as 14"x13.2" and you have two of them in that tent well spread out.

11 days into flip, defoliated a few days ago - she's definitely not sprawling as much as I expected. Also could be my fault, I got myself a lux meter and after taking some readings and then running some ppfd estimate calculations, I was nuking the shit out of her. I got the light to a more...

This is really more of a COB vs Quantum Board question bc both lamps use top tier components for their respected designs making the choice really one of personal preference and budget. When I was faced with this decision, the choice was simple for me, and I went HLG. At the end of the day...

Ok stuck in a garage, makes more sense. Fan looks plenty legit too!

Is that 6" fan a duct booster? I ask bc I live in a tropical environment (ridiculous humidity) yet I was able to control humidity in my 3x3 pretty easily with a 6" Hyper fan. Mind you I filled that tent from corner to corner lol. Negative pressure also helps so maybe ditch the intake fan. I...

Nice, welcome aboard @Opie1971 . I decided to flip the light schedule to 12/12 yesterday after installing the screen on the 5th. I know I said I'd veg a little longer and top again but honestly I'm just so damn bored that I needed some new excitement in my life already haha. I've also turned...

I mean I don't disagree with the 2nd notion haha

Too many plants in too little space for a SCRoG. This is a SoG

Thanks for that tip man - this is actually my first lamp with integrated reds and I hadn't even considered how that might affect the needs of the plant. Tell me, do you use tap water or some kind of RO/distilled/etc. Also do see this across the board with strains or maybe indica dominant vs...

Tent is 27"x27" Mars Hydro French Cookies from T.H. Seeds GH Waterfarm with no mods (save for a few extra basket holes) Feeding with my goto; GH Maxibloom only, tap water Light build: 6 Samsung H-influx L06 3500k 2 Horticultural Lighting Group QB11 660nm Pulling 150w for now 12" above...

I agree that it's cool to offer that kind of versatility although I think it would be even better if they offered a length ways side-by-side mounting option as well.

I don't think their frame has rails

Hey man - I'm not sure what sliding mechanism you're referencing. Those alibaba lights look like just some kind of pre-drilled frame as opposed to like a t-slot extrusion.