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I read that IC thread and I thought people had success with deep freezers as well due to the colder temps they can achieve. Here are a couple articles I found useful. https://www.google.ca/amp/s/m.wikihow.com/Freeze-Dry%3famp=1...

https://static.parastorage.com/services/wix-labs-pdf-viewer-statics/1.33.0/libs/pdfjs/web/viewer.html?file=https://media.wix.com/ugd/948d09_89079ba0fac84ee8bfeda5390fb6176b.pdf#page=1

DE 630 vs 2 SE 315 (one fixture) vs 2 315 (two fixtures)? Leaning towards DE 630 as it seems to cover a 4x4 the best.

What are your thoughts on their DE CMH? http://www.growlights.ca/growlights/grow-light-kits/ceramic-metal-halide-lights-cmh/dimmable-fusion-bright-630w-cmh-complete-kit-double-ended-de.html

Canadian vendor for prebuilt LEDs. http://www.growlights.ca/led-grow-lights/fusion-pro.html

Random. I chatting with a guy at Hyperikon and they are developing some 3000 / 4000k ones.

Cheap veg light for someone who doesn't want to build anything? https://www.amazon.ca/Hyperikon-Stadium-Light-Flood-Equivalent/dp/B01N7OKD11/ref=sr_1_8?ie=UTF8&qid=1505916250&sr=8-8&keywords=led+bulbs+200w

He's my first ever grow. Using the LED screw in bulbs.

Been there, done that! No just kidding. I just figured the other way was "better", I just couldn't justify the cost. The more I think about it, the more I will most likely stick with the LED bulbs. Plus its really easy to mix and match bulbs. I am sure the bulbs will continue to get better, so...

Here is the light. It actually did a pretty good job! I will post a pic later on today. I used 21 of these with the diffuser taken off. Got them on sale for a bit cheaper...

Thanks. You go above and beyond! Yes I will eventually upgrade my 21 socket screw in bulb LED light... :roll:

I watched that video a few times. Still has me scratching my head. I contacted rapidled and they said no go to the heatsink.

Sooooo. If I wanted to run 9 of these http://www.ebay.co.uk/itm/222509957323 using a HLG-240H-C700 could i use these heatsinks http://www.rapidled.com/large-single-led-heatsink/ or is there a better solution? How do you run COBs at 20w? Is there a thread with all the calculations?

Cheers! Thanks for responding here. I didn't want to drag you into the dirty Canadian forum... :cool:

What's the highest wattage you can run say a clu-048 before needed to a passive pin heatsink? I like the idea of running many cobs with minimal heatsinks. The heatsinks are what drive my price per light way up.

What do you recommend for heatsink?

Fellow Canadian here. Any suggestions on a 1x5 cob setup? I want 1 cob per sq ft. Cheap and easy is the key. I'll trade some efficiency due to low power costs.

Would 8 of these work in a 1x4 grow area? They seem reasonably priced. https://www.amazon.ca/gp/aw/d/B06X8Y6RL3/ref=mp_s_a_1_4?ie=UTF8&qid=1504131096&sr=8-4&pi=AC_SX236_SY340_FMwebp_QL65&keywords=t8+leds&dpPl=1&dpID=51tMwGI1nmL&ref=plSrch

Model #?

https://www.amazon.ca/AmazonBasics-Equivalent-Daylight-Non-Dimmable-Light/dp/B01MSMKBG3/ref=sr_1_37?ie=UTF8&qid=1499783008&sr=8-37&keywords=100w+led