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Im no electrician but, I have an idea for a project to run past some of you brainy types here. I was looking for a way to make a simple flower initiator. First I was thinking about a 12v source (or solar panel) with a capacitor and trying to figure out how many farads in capacitor would...

I just bought a Hydrofarm Active air Lux meter. I didnt have the money to go with a new PAR meter and just wanted to know how my COB builds compared to my 1000 HPS (lux wise) and checking out uniformity.. I was completely blown away..... 24" from the HPS, I was reading 25,000 lux in the center...

I was wondering how much of what to add to a CXB3070 3000k Build. The build is around 400 watts. (dimmable) For reds Im thinking rebel red 660 when in flower. For the blues, Im thinking Luxeon M Royal blue when in veg. I want to make sure I get the right leds and wattage and to make sure its...

What I do have is a dual hose Whytner 14,000 BTU portable. I have read many places that these will leak odor outside. How much leakage are we talking about? Would a Ozone generator inside a baffle box (to mix well before exit) on the exhaust side of the Ac be enough to handle the amount of...

Id like to hear peoples opinions on this. Since we can dim these wonderful COBs. (and gain efficiency doing so haha) When to save the juice and, When to blast away?

I thought I would share my recent projects with you guys. Thanks for all the good help and info here. 8x Cree CXB3590 CB 3000k 8x Chiploc COB Holders. 2x HLG-185-1400C Drivers 4x 7.28" x 20" Heatsinks 4x 200mm Hydro Dynamic PC fans 2x 100k Potentiometer (for dimming) 1 Wall wart to run fans...

I want to wire 2 meanwell HLG-185 type B drivers. 4 - 5 cobs on each series circuit. AND I want a 50k ohm potentiometer for each driver. I will be using 220. I wouldnt ask but I have been looking all over for a diagram with no luck. The only dimmer I have ever wired was a AC dimmer switch. Never...

Thanks to our Greedy legislators up here in WA, Medical patients plant counts and limits just got slammed to eliminate "competition" with the heavy taxed recreational market. Now I have to make do with much less plants. Im currently converting a 1000 Watt HPS into 2x 2x4x42"h COB cabinets and...

I have been reading threads here on COBs for days on end until my brain hurts. Im very thankful to all the knowledgeable people that have been putting out all this good info along with the people sharing their experience. Im very eager to get rid of my HPS heaters. Here is what I have in the...

I just bought a VSC-DNe ( A day/Night variable fan speed controller ) I want to run a space heater to kick on at night to keep my night temps from getting too cold. The only prob with this device is that it turns the ventilation fans completely off when it gets cool at night. I want the vent...

My first post. I normally just come here to read and learn. But Im in need of some help. I just cropped a couple weeks back and wanted the keep the strain so Im revegging one of the plants to make into a mother. I left several fan leaves and most the small buds. Changed rez and put under a 400...