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-Economy of scale is kinda getting lost on you. If you are stuck with a 200 sq ft room, eventually I assume it fills with LEDs. Yeah, it makes sense, especially if you have need to cool your space. I get that. BUT As an upfront expenditure? It's silly. $15k in finance will secure $100k easily...

LOL. Really? This guy is commercial grower. FOR HIM it makes no sense to do this. First off, at that kW scale he pays about 1/3 as much for electricity with business rates. With a proper room (high ceilings, tons of air movement)- he can run HPS and NOT set up vented hoods). But honestly...

those 1050ma? Terrible ad overisight that they don't tell you what mA those run at. If they are 1050 you still need 28 of em for 40w+ sq ft. .. 28 x $775 = $21700

Sticker shock time: Can confirm you need 28 4 light fixtures @1400ma for 40ish watts sq. ft. I've been delivering these @$450-500ea (A mere $50-75 for labor and tooling is included). I doubt you will find anyone willing to make these for under $50ea for their time. (this is NOT an offer to...

Cmon PSU, really? That's an experiment in your opinion? His final opinion was: Miracle grow works! How many variables has he got going on here? I ran a side by side with clones cut from 3 big moms. About 100 clones. Same hydro nute on rockwool. Same flouro lights. ONE VARIABLE: One got...

Give me a reason to throw superthrive in the trash? I used to be like you. Didnt touch that shit for 15 years+, Very shady imo: no listed ingredients? Army navy endorsement? -Truth is it's probably just some kelp and hormone mix. FACT is: it significantly helps with shock and transplanting...

The joke is people thinking you can't or shouldn't use cal-mag to treat a magnesium deficiency. I get it: he's saying I'm adding too much of unnecessary nutes? What happens to my reservoir pH if I just add magnesium sulfate? -You getting it yet? How do you fix that problem? Ideally @ 5.8ph...

Hehe, No such thing as cal mag? Cal Mag refers to the blend of Calcium carbonate and Magnesium Nitrate, and Iron DPTA. Great product. Ask coco guys. Oh, you think I'm lacking cal mag? Like yourself I've mixed my own brands of nutes for a decade, I also sell quite a bit on the side. My...

I manufacture nutes ;) Cal Mag is really a catalyst as you probably know. But paradoxically, common sense tells us that Natural sun should require more Cal-mag than any artificial light.. (If we are assuming LEDs somehow require / provoke greater nutrient uptake and hence higher need for...

My botany senses are tingling.. Why is this 'SOMETIMES' shock happening.. Anyone have any SPECIFIC cause of this? No real literature on it.. Shocking.. IS IT specific wavelength transitions which are provoking shock? DO I need to set up a table of transitions measuring shock? (Has anyone done...

So FYI, you can't easily move a crop from HPS or MH or Flouro to LED. -They shock hard. Ditto with store bought clones if they utilize the above. 5 days plus into shock.. I've started seed in rockwool in humidity domes under flouro and transplanted immediately to LED after sprouting. No...

I bought some of those red case lights from ebay. They are decently made, but the LED chip is simply the worst.. .25 g/w yield if you're lucky. But don't throw it away: I tried to replace with vero 18's, didn't light.. Tried Vero 29's: had to take reflector out, but worked about perfectly...

Did you build one bar first I hope? I cringe a little watching someone build 10 pieces of something with no proto. You are 'ok' with the extra heat from those 1212s rather than utilizing a bigger chip for less heat? I originally started my light builds using vero 18's and cree 25xx. If...

Whoa. Didnt realize those were six feet.. My sense of scale definitely off. I see it now looking more closely. -Well, i was smoking and just typing and thinking, lol. I'm a little concerned about the numbers too then.. Well.. It's a big enough space you can mix it up a little. Try a different...

1.0 g/pw out of pots with no topping isn't bad. You want bigger numbers without growing trees then its all about making lots of tops imo and some form of scrogging. The scrog brings the big numbers. Math is simple: increase number of tops and watch yield follow. Secondarily I'd look at my...

Just read the whole thread. Neat stuff. Since we're in the LED section, I'm curious how you think these are stacking vs LED? Looks like you're on par with electrical savings. But you're still generating quite a bit of heat? AC running? Dehum? Any idea what PPFD you're hitting? At what...

Physan 20 only if your issue was a mold. Should have clarified that. 1100 ppm for ph stablization = sad nute imo. A gallon of RO set to 600ppm with your nute formula should settle in at 5.8. MOST nute manufacturers build around this model. If it's taking 1200ppm, I'd say you're using a weak...

So.. I've literally made dozens of aerocloners. Sold em on ebay, was top seller for awhile before i just gave it up because USPS sux AND I've come to the conclusion that it's NOT the best way to make clones, UNLESS your plant is stupidly resistant to cloning. So whats the best way...

BEtter to root in rockwool and drop that in your hydroton. Avoids the issue you're having. The RW acts like a res until the roots dig into the hydroton. Keep your RW moist until she sets and voila. For now tho: make a weak superthrive watering can and keep the hydroton from ever drying out...