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I cant find the edit area for the post so here are the actual, dry weight results per plant: Liberty Haze:162.6 grams LSD:154g Master Kush:95g Mamma Mia(2 plants):157.2g Pineapple Express 2: 77.7g Pineapple Express:103.6g EWE2:60.6 810.3 total. I wanted to add how crazy the roots were for all...

So, after a long 4-5 months I have come to an end of my first grow on my new 750 watt DIY LED system. I wanted to share my results with the community as I feel I owe it to everyone who helped me build my light rig as well as paying forward what little knowledge I have to the LED and DIY...

@Growmau5 awesome job, cant wait for season 2. I really want to thank you again for being an inspiration to the DIY community. In a market(LED) filled with hucksters, tricksters and fast talkers it makes it hard for one to see how good LED can work. If some guy new to the market ends up buying...

I am interested in building a grow time lamp. Can I assume cxb3070/3090 @6500 is my best bet. I am thinking of running 4 to 5 individual lights @ 50 watts(I need dimmable power suggestions as well) each with their own power supply and heatsink so I can adjust where the lights are as I see fit...

@researching :Thank you.........shit!.........If a mod wants to lock this one please feel free to do so.

So I was given a batch of replacement seeds for some feminised Jack Herer from BC Bud Depot after a 6 pack(I paid $100ish) did not yield a single germinating seed. Im 99% sure these are male but in my 3 grows I have only seen this happen with 4 times, only with the JH seeds. On my last grow I...

I am bumping this to hope that someone that has power to make forums sees this. I was going to do a write up on the Bluelab PH controller. The world of gardening(in my experience) is full of schyesters and tricksters so I would love if people can review what they have tried. We have a seed...

@robincnn : Ambient temp is right around 80 degrees at the moment. I am using a temperature gun with .95(fixed) emisivity(I dont know what this means but the product description says). The only tape(white) on the heatsink is to keep the wires from hanging but it is not black nor did i scan the...

@robincnn : You are correct about my setup. The heatsink is about 79 degrees where each COB is and 74 in the very middle between the COB's. I honestly don't know how good that is, but I have no issue holding the heatsink at any time. @MrEus1 : When I ordered from Kingbright they emailed me...

Well with help from many here I have put together my new LED bloom light, replacing my MARS 2 1200. I just posted some pics in the showoff thread here. I was trying to passive cool and the heatsinks are hovering between 74-79 degrees, does this sound good? Now I would like to work on planning...

Just hung this up today after a month worth of planning and work. My plan was to make something similar to a hangable shop light(a 4 foot CFL fixture) with passive cooling, so I can add and drop lights as needed. I wanted something to replace my MARS 2 1200 which seemed to have a few dead LEDs...

I ordered 15 3070's, 5 drivers and some ledil holders, all made it safe. Only problem I had was I ordered some plastic reflector(already bought reflector from mouser) holders that they didn't have in stock. It was about 1-2 weeks without shipping that I was informed that they didn't have the...

So I am in need of some extra overhead hanging rods(the type you can freely move not the frame) for my grow room. Theres a few people charging $15 a piece for replacements, does anyone know any cheaper options to buy or make them. Thanks all.

I am 99% done with my parts chosing/ordering. 2 Questions: Do I need both a reflector and lens for COB's? What are some good ways to hang a really big heatsink(66"x6"x1") Im still trying to figure out how to hang without doing too much damage to the heatsink.

@Growmau5 Do you have any good links @ amazon for dimmer switches to attach to a driver(I get pages and pages of house switch dimmers.) Also what would be a good way to hang a huge(5 foot x 6 inch) heatsink? Thanks.

Hello @Growmau5 your builds are inspiring. I am a first time builder wondering if there is a one stop shop for things like 3 prong plug ends(trouble finding theses), hanging wire(I am hanging directly from the heatsink), wire, flux, etc. Let me know if you know a place, thanks. In short though I...

@REALSTYLES thanks for the response, I guess I will go with Shenzen KB. Now that I have my LED's, holders,reflectors, drivers and heatsink all chosen what are the other things I am going to need (18 gauge?) wire, shrink tubing, American plug ends, a connector for the driver power to connect to...

Does anyone here know if Mouser does any kind of discounts/specials? I m dropping about a grand on LED's, drivers, holders, etc and Shenzen Kingbright is nearly the same price but they have 3070AD's while Mouser has AB's. If mouser is going to have some sort of sale for this upcoming Labor Day I...

I am(/was) in the market for an LED and after watching many SK videos and considering buying them, I came across a @Growmau5 video that opened my eyes to the world of DIY LED. I figured I can either spend $1000ish on someone else to build my lights with unknown internals(and unbelievable claims...

@robincnn Thanks for the reflector suggestion. I saw that @Growmau5 was using those reflectors in one of his awesome fixtures. As it stands I am gong to go with the Mean Well HLG-120H-C1400B, to provide roughly 50w to each 3070. As for the heatsink I am going to go with passive cooling(I don't...