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Thanks! This helps a ton. And I found the heatsink specs on the 1st page. Is there a max or min thickness I should get the aluminum sheet? I just don't wanna end up with a half inch thick plate, haha.

Nice. Your project is inspiring me. I have a few questions that will help me with my own plans, if you don't mind. 1) Did you do all of that by hand? If so, what tools for making the holes? 2) Aluminum plate or sheet metal? And where could I find the material? 3) Did you have to modify the...

I found this thread because I'm interested in doing a similar conversion. I was thinking 12 COBs per hood. 16 seems a little crowded. Did you have any clearance issues between the heatsinks and the hood on the outer ones?

That's some pretty yellow light. Looks like the SK is being used as supplemental. As far as COBs go, people are getting much more efficiency out of them than regular 3 and 5 watt diodes. Plus not everyone has an extra 4 feet of vertical space to hang an SK, whereas COB lights tend to be pretty...

Then for that matter SK also probably orders their leds and drivers in bulk from China, so that means the entire light does indeed come from China. Only assembled in USA :) Even if they use Cree then still big deal. Anyone can order a housing from alibaba and slap whatever chips they want in...

Can't argue with that. I'm curious about why you prefer mag ballasts over digital. RF interference concerns or cost?

He didn't say you can get spectrum king chips from China, he said you can get the fixture from China. And he's right. It's just a high bay fixture that's been retrofitted with LEDs.

Ok guys, I did some reading and I think I understand why Canna and many other nutrient lines only use PK 13/14 during week 5, versus Heavy 16 where their feed chart says to use Prime and Fire almost the whole 8 weeks (Fire being the PK 13/14 equivalent). Canna's website says they recommend only...

The a/c already acts as a dehumidifier. If you use a minisplit mounted in your tent that should control your humidity, because they have a drain line for the condensation runoff.

I almost missed the Under Current UC6. That system is probably going to take up all the space in a 4x8 anyways. And the chiller is yet another source of heat being exhausted into the room. You'll have a much easier time dialing everything in if you put everything outside the tent and just...

I have a similar setup except I'm using a 10,000btu window a/c (more efficient than portables). I also have a 70pt dehumidifier but got rid of it because it put out too much heat and cycled on and off too much because it's made for a whole house not a single room. I went with the 30pint because...

I've had this strain on my list for a year or two. I lost my G13 Labs Super Skunk that came from a single freebie fem seed but turned out amazing. Sadly that was around 6 years ago and I didn't think to clone it before I flowered it out. Been looking for a good Thai ever since.

The spectrum on the LEC is amazing, as well as the ability to light a 4x4 perfectly for veg. I got one to replace the 400w MH I was using. The nodes have never been tighter except vegging under T5. Stems get really strong as well. I was considering replacing 2x 1Kw with 6 of these bad boys over...

As for H16 doubling yields... it has the same basic handful of chemicals as any other nutrient line really. If you double your yields after growing the same strain for 2 years I'd attribute that more to getting your strain and environment dialed in than changing the name brand of nutrients you...

I didn't do a side by side, because I really didn't feel like messing with two reservoirs. But I did run the Heavy 16 much different this time. For one, I never went over 80% of the recommended feed schedule. I used 10ml/gal A&B for most of the grow, then dropped it down to 8ml for the 2nd to...

Hey, just wondering what you thought of the B2 formula from Roots Organics. How does it differ from their regular soil mix? I recently saw some in a local shop, but I'm reluctant to buy it there because the guy is a crook. I stopped by to pick up some plain coco, and he wanted $35 a bag. While...

It would be interesting to see some PAR readings for the LEC 630 vs a 1K HPS over a 5x5 footprint. The 315 already beats a 400w HPS, so I imagine it would be close.

I just finished my first run with Heavy 16 full line (except Roots) and here are some of my thoughts and observations: I've been growing the same strain in coco for about 2 years. So far, these were some of the biggest, most dense buds I've had with this strain. I had branches snapping in week...

A couple people offered to buy it back when I wrote that, but since then I made some changes to my setup. My main problem was heat, so I put it in a spare walk in closet over a 3x3 ebb and flow tray with a bigger wall fan and good ventilation. I also had to have room to raise it up a little...

Just started H16 here, came from running the full line of Canna for years. This is also the first run I've ever used foliar feeding. If you follow the directions from Heavy 16's website and mix their Foliar with 1/2 ml of Fire, your girls will love it. I swear they exploded over night when I hit...