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There is 25 percent off for everyone on some stuff but the coupon for $25 off is for people a decade past, "will this bag seed yield me a pound"

I didnt have the light on long but looking at the photos i too the top right row seems to have a few under powered diodes. I do no not believe it was the angle as i have other pics from different angles. anyone know how arrow will deal with this?

Oh and do not tell your ol' lady that the ph meter can also test for yeast infections. Not as funny as you would think

Well a few days ago I got an email with a $25 coupon for any purchase over $25.01 for being a member since 2000. Cant turn down free money so here is what I purchased, Cheap meat thermometer that I had before but my ex stole, ph meter,tds meter, and some outlets. Meat thermomemeter works...

I got a free $25 on ebay for having an account 20 years. Ordered these and they work perfectly. came ph powder to calibrate ph meter as needed but nothing for tds although they both came calibrated. not hate on the $15, but these are $10. Same sht.. just different color tds...

So I am sure I will catch some slack but figured I'd share. Eventually ill strip this frame down for a proper heatsink but after sanding 1 strip with my orbital i gave up and will use a best sander in the future. The aluminum channel I used was 4ft track lighting strips that i got for $1 a piece...

If you are asking about strips with the LM561c the 2 H series were the only ones available Sunday. I made a list braking down all the cheap strips on arrow by price, size, K, L/W, volts, test, max etc but lost it when the power died. For example B8T052280WW m is $0.41 and has LM561B+ diodes...

There are about a dozen different strips all under $1. I ordered a few different ones to play around with since I got a 320w driver on ebay for 30 bucks. My order was sitting with a status of waiting for usps to pick up then magically got picked up once I messaged their support, so I would keep...

Set of balls at wally world... https://www.walmart.com/ip/Franklin-Sports-6-Pack-Playground-Balls/264348835?wmlspartner=wlpa&selectedSellerId=0 sorry couldnt come up with anything to keep it going

Any particular reason you went with 2 strips per 2" heatsink instead of putting them on their own 1" and just spacing them evenly? the 1" are basically half price of the 2" so the only extra cost i see for a better spread is a few more fasteners and a couple inches of wire

You have 2 2ft strips on 1 piece of heat sink? Wouldn't it make more sense to just put each strip on its on !"x24" heatsink? I was smoking some decent shit but it may have been the rum and cokes that did me in. I was thiking you meant 1 2"x24" for each gen2 which would add up pretty quickly. I...

lol damn that heat sink is like 3-4x the cost of the strip. Ill have to test other budget friendly materials. I have a hand help Flir camera that was a couple hundred$ so I can use that to figure out any heat issues.

What are you using for heatsink? Any active cooling? Do you have the voltage turned all the way down? Appreciate the input

yeah but what is your driver .. 240xx? mine is 24a so I can turn down to to 21ish volts but that still puts me at 14ooMA or a little more on each gen 2.. Heat wise I would be in the same range as some of the samsung boards test temperatures, but i would be pushing the gen 2's harder compared to...

Not a bad option although I may be pushing it hard and happy w 12 of those. They seem to run pretty hot, any thoughts on heatsink? At that heat I may be willing to try maxing out the bridgelux gen 2's at 21v. Found these while searching, any thoughts? seems every time I narrow down my choices...

I have seen both of those. The H influx looks like it runs pretty hot but good lumens and the vesta has 1/3 less lumens at 2x the cost per board compared to the gen 2's. It's hot where I live so temperature is part of my reason for wanting leds. I could use resistors or dc/dc converter to...

Any way I can get some real input? I'm open to using it for veg or flower set up. Ill stick with tube lights for seeds and clones...

I was referring to the other guy, not you. In those photo's i def see the hairs up top. It did look a little different down low in the first group of pictures so I would just check on it daily if possible. I don't think you'll grow balls and pollinate over night

You are pulling 225g off of your 150W Marz hypo? Pictures? I call b.s.. I can't tell if you are here to push them or are just "special needs"... If it's the ladder, keep it up sport!! I'm sure that 1 auto will yield a pound next grow

lighting doesn't help. I'm going to say balls in the making based on pic 3. The one photo looks possibly female but I'm guessing its just the color of new growth looking white under the light. Surprised Shanepr1313 didn't tell you to buy a hydro light to guarnatee it will turn female even after...