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All depends how hard you want to push them. A pair of Meanwell HLG 185 1050s would work so would a single HLG 240 700. Dimmable with a built in potentiometer would end with an A in the part number. External dimmer ends with a B. Non dimming ends with a C and timer dimming ends with a D. Type A...

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Inside of a refurbished refrigerator, surrounded by sound deadening foam, I can blast the zen music app on my phone and from 5 feet away you can't hear anything.

http://ceventura.ucanr.edu/Gardening/Coastal/Landscape_578/Bending/ http://woodlandsteward.squarespace.com/storage/past-issues/windaffe.htm I suppose it could be argued that a ScrOG screen is supporting the plant. I've also seen huge buds that have to be supported so they don't break off the...

Because the plant isn't strengthening it's own cells, rather just relying upon artificial support. These are well known facts in the horticultural and especially the arborcultural arenas.

That 5 way compost looks great.

I have used old coco as a soil amendment and it works fine. It helps with drainage and aeration the first year or so but in a living soil like a garden it will start to break down after that. Similar to peat-moss as far as that's concerned. I don't know about your municipality, but here you can...

It's fairly cheap to take a soil sample to have it tested for nutrient content. I'd start there and amend accordingly. Maybe mix in some turkey poop or something too. I use Ckick-E-doodoo and it seems to work very well.

Strong breeze makes strong trees. I never stake anything. If it's falling over, put a fan on it. It's the plant version of doing squats.

They're from eBay. 26 5 1/4 tall fins 6 inches long. If you run the numbers, they're each capable of handling just under 100 watts of heat passively.

Tough to take good pictures without taking the light out of the cabinet. It's actually in an old refrigerator. 2 cxb3590 and a Vero 29 on an hlg 120 1400a. Also the 8 Vero 18 on cheap China drivers run at 300 milliamps on the passive heatsinks on the outside. I have the Vero 29 mounted in the...

I try to build my lights with the same mindset. Slightly too small for an ideal passive setup but ran active and if the fan poops out, I should still be OK. I've been getting random heatsinks from eBay and putting stuff together from those. You can save some coin if you're willing to put in the...

It could be argued that passive cooling is in fact safer. Less moving parts. What if your fan gets a piece of something in it and the blades get jammed? What if a wire comes loose or your fan driver takes a shit? All of a sudden your active cooling became passive.

I Ess I use a lead/tin wire and I also use tinning flux. Flux helps a lot in my opinion.

Exactly what I was thinking. It's not like a light switch cuts both the neutral and the hot.

Digikey.com as far as I know, they only stock the vero 29 in the V2 version the old version is still listed but not stocked.

Maybe it's just the lighting, but are some of your leaves turning yellow?

I like to germinate in a small cup, then move to a 5 gallon or larger pot after they are about 2 weeks old. 2 more weeks and flip it to flower. About 90-95 days total from seed to harvest is average for me.

Not that I'm aware of. The Vero series has small solderless connectors available and they come with mounting holes. Even using a vero, I still use kapton tape, thermal adhesive, and solder.