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Rubbermaid stock tanks are best. and they can hook together. They also sell auto- topping / float valves for them. Pretty handy. Indestructible.

Quite possible. Max out both potentiometers. She'll run between 270-274 watts to be exact.

Yes.

Have built a lot of these bad boys.. 300+. Standard 4x cxm22 and hlg-185h-48a. 272w of light, 16 for fans. Covers a 2x4 flower solidly. Over a LOT input obviously: average about 1.1-1.2 gm/w. I've gotten as high as 1.7 with big pots, long grow time, hydro, co2 and big yielders. Not that i use...

Every time someone comes into these forums asking if the $100 chinese light is ok they get the same answer: NO. you bought it anyways, and now you're mad? Obviously you know shit-all about leds, but you know about these forums? You skipped everyones advice and then come here to bitch about...

Thanx for posting data. Its THE ONLY gm/per watt I've found outside of some limited growmau5 vids.. I want the DATA! I didn't bite on cobs until I had seen many success stories.. I'm VERY concerned at the lack of data on these. Anyone concerned about canopy penetration? I grow scrog and the...

Page 420, giggle.

Single cob to each fan. 4 per light. 2x4 coverage. 288watts. 1560ma or so.. sweetspot with cxm22's.. RELEVANT: You'll get more light in a 4x4 with these for 576 watts.. THATS 1900 watts electrical savings AND more light..

Those chinese (red) lights are the worst..Waste of elec trying to flower with them.. One use I found for them: replace chip. Yeah, its not a fun project, and you'll have to cut edge off reflectors in two places so your new chips holders have correct spacing.. cxa2540 is your match. If you're in...

Go do some reading. Figure out how cool you need your lights to run. Your vent/cooling situation will determine how cool you need to run. You want leds cheap, you're building it. Period. Otherwise check CL for people building for you. Or get a warrantied fixture and pay up. 4x4= 8 cxm22 on...

One of the most interesting parts of the observation phenomenon is that it is unaffected by time.. They used solar lensing in a celestial sized double gate experiment and were affecting photon measurements that should have taken decades to relate. Quite literally the photon state which was...

Meanwell is worth it. But I have used cheap chinese drivers. Things to know: Their rated ma/watts: lies. Their rated efficiency: lies. Their rated voltage: generally true. They do work however. 1400 ma ended up being about 1200.. that kinda crap. Figure eff is mid- high 80%ish.. I run some...

I think it's stupid af. But seen the vids too. Biggest rationale: wash off powdery mildew. (Cervantes did it.) My criticism is : throw if fucking out man and improve ventilation. Other reasons: washing off chems. A lot of knuckle heads using tons of foliars and stuff.. I bet the stuff...

Sounds like BS. Throw us a pic. NEVER seen a blatant set-up. Plain sight shit WILL ALWAYS gets reported and dealt with. Period. 12 plant limit is MA as far as I can tell. MA police will fuck your shit up sideways with blatant pot violation- blasting is strictly forbidden too. A permanent...

Too scared to do things yourself + limited budget is not a good start. Your english is excellent, have you tried viewing Youtube instructional videos? Quite literally positive to positive, negative to negative connections.. Not too hard. Expect to pay 200%+ actual cost/ premium if someone...

Your temp/humidity is good. You will naturally get higher humidity with higher temps as plants ramp up metabolism and transpiration. Keep good airflow/ air exchange in your room and this is GOOD. Tying this thread together: We're going after lighting solutions that run cool enough to keep our...

Cobkits is right as usual. Kinda oversimplified though, So I'm gonna extrapolate on your wisdom a little cobby. I like to imagine heat as a liquid.. It pours out of heat producing items at varying rates.. A 600 watt heater: like a fire hydrant. 600 watts of 2100ma LEDs: Heavy running faucet...

Thrips are out in force this year. Easy to kill though in a very non-toxic manner. They die with spinosad exposure, which is super low toxicity, and rinses off even. Probably the best thing for killing thrips as far as I know. I did one treatment and fixed the problem. Week 2 flower happened...

You're gonna need a thermo-hygro controller for your tent.. to run that fan.. https://www.amazon.com/gp/product/B01J1E5LWM For your 4x4 you want 8x cxm22 or vero22 (NOT 29). Mix 3000k and 4000k chips. 4 each on (2) hlg-185h-48a.. You'll probably dim a bit until late flower. -544 odd watts...

Gonna suggest you get into the right forum ;) Seriously though, no budget? No specs? Space/ tent? Scrog? soil/hydro? Meanwhile: I roll 1.1lb solid top drawer per 4x4 @ 560 watts.. Running 4 trays per room, NO AC. Mid 80's with normal ventilation. $360 per 4x4 to build or $520 built (in...