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Day 48.....not much to report. She is chugging along pretty well. It looks like she is topping out at 36" tall. So not as tall as I thought she would get at the start of the grow but still the tallest Grape Crinkle I have had so far. I have pulled her PPM's back to around 490 and she is sucking...

I too would love to try it but even at $70US for a 8.5oz(250ml) I just can't swing it just to see what it's about.

I agree....cheapest I have seen it by the gallon is $649.00.

I agree! My buckets run about 74/75 degrees once the plant is large enough for it's canopy to cover the bucket. I run Hydroguard and have not had root rot issues yet.

Fwiw the 5.4" wide heat sink is only .98 an inch.

The way I look at it is that if a grower can't grow a photoperiod plant worth a damn they won't do well with autos either. And vice versa .The only real down side to autos is that you can't clone so we always have to state with seed and you have to deal with the different phenotypes within a...

Not round.... Nor is the 42" long 5" heatsink I have hanging in my tent.

And I would assume he is running 36v COBs. No way to run 6 72v chips on a hlg-240h driver.

To say this is FACT is a little over stated I believe. I run my DWC, standard stand alone 3.5 and 5 gallon buckets all the way to the top of the bucket. My plants will suck down 1 to 2 gallons of solution a day. If I only kept a little over 3 gallons of solution in a 5 gallon bucket to stay...

You would just say you are looking for some aluminum heat sink material. No they can not fins into it at the scrap yard. Bar type heat sink stock is extruded and not machined. Frankly I am all for saving a couple of bucks but the time and energy spent running around to junks yards looking for...

BEAST MODE........ Well in the last few day she has gone crazy! She is up to 600PPM and is drinking 1.5 gallons of solution a day. She is 30" high and 30" wide. I just finished a Luminus CXM22 COB fixture that I can crank up to over 200w of power but I am keeping it at 200w for now. So I now...

The options are nearly endless like I said. For a 4 COB set up I would start with a Meanwell HLG-185H-C1400 driver, $49.10 from Sanger. This driver makes a nice backbone for a number of different combonations of fixtures. With it you can driver 4 Cree cxb3590 COB's $49.00 each from Rapid with...

In the Rapid "kit" what that really is is not so much a heatsink but it's part of an enclosure without part of the cover on it for the picture. Nothing you would want to cut up anyways.

Like benchfrooser already said jamming 3 COBs into a single 20" long unit in the Rapid kit is useless for the most part. A better option would be a 4 COB Citizen 1212 fixture. Driven with a Meanwell hlg-185H-C1400 it would build out to a 200w fixture using pin heatsinks cost would put you right...

"Blow it up" as in your plants are really going to like that light and do well without CO2. Growing in coco is really a form of hydroponics and with a little skill you will have nice plants. How many do you plan of growing at once?

I thought so. Like I said your current light will blow that amount of floor space up. I would be more worried about the short headroom.

If you are in a tent CO2 would be a waste of effort. CO2 grows are done in self contained atmospherically controlled sealed grow rooms. If 2,29 is meters then you are around 90 inches or 7.5 feet. That puts you at 56.25 sq ft. If all you are using is 245w for the whole tent then you are very...

Back when I was messing around with growing in soil I would do some LST. But on my DWC autoflower plants I don't do any training at all.

Yup...same here I run Hydroguard and give ZERO Fu@ks about bucket temps. My buckets get into the low to mid 80's early in my grows, until the canopy gets big enough to shade it. If this is the result with a cheap LED set up and high bucket temps I can't wait to see the results from a better set...

I would question whether a driver went bad or if it is part of the board that wigged out on you. Either way if the board died then I would bet parts don't exist and the drivers most likely don't have the balls to drive any COB that's worth a darn to make it worth your time and effort to covert...