Re: TAKE 2: HPA + Quantum T 5 Bad Boy 8 bulb
Awesome stuff, and thanks for the response. It sparked a few thoughts/questions.
AeroBox video. Adaptable, but probably a lot more expensive than buying Rubbermaid totes. The idea of being insulated is VG. Too many plant holes for mj. Max mj plants in it would be 2 <3ft autos, or 4, < 2ft autos. Did you notice how noisy the compressor is? You can barely hear my pump, plus mine is only on <2 seconds every ~2 minutes.
Yes I agree, they are very expensive and I think building your own would be much more cost effective. The compressor in the video is loud but I looked into it and there are much quieter compressors on the market, like 30dB which is roughly the level of a loud whisper. I could deal with that.
What kind/brand of high pressure pump are you using?
How come you use a pump instead of a compressor? It looks like you have a compressor in one of your pics.
I have this one, X-Stream g2700. It's a 2700ghp pump
X-Stream G2700 Pump - Water Pumps
Also what mist heads are you using? And how do you know the micron level of spray they are putting out?
The simple solution is drain to waste (D2W), at least during flowering, but you can't do that with recirculating systems. HPAs separate (and non recirculating) rez solves that.
Interesting you should mention that. I probably wouldn't do it in a low pressure aero system like the one I have just ordered because it would just waste too much water and nutrient solution. But with HPA you could. On the Aerolife video, they mention that even keeping a chamber constantly fogged (I think in the video it comes on every 15 min or half hour to fill the chamber) it consumed only about one gallon per week. If the reality is even remotely close to that, it would really put a different paint job on things! For one you could easily do D2W without worrying about wasting nutes or solution; it would make maintaining ph and ppm super easy; you wouldn't have to worry about recirculating waste material contaminating the reservoir, messing up the ph, or clogging mist heads; it would be ultra cost effective for making nutrient solution because instead of 18-30 gallons of nutrient solution, you'd only need 2 or 3 at a time.
LEDs
I have one of the good UFO 90s, but the same $350 buys a Quantum Bad Boy T-5 (8 bulb). It is roughly 2 x 4, which mean you can give your plants more room, which allows for greater canopy penetration.
LEDs are already quite capable of growing SOG, SCROG, or autoflower plants < 2 ft tall. But they are one dimensional. When a particular spectrum blows (or losses its' strength), replacement requires sending it to the factory. Good luck with that. And what do you use in the mean time, as you are likely doing a grow? Happened to me twice!
The BB allows me to change individual bulbs (<$5), as well as mix 2400/6500 bulbs to better match the light at spring planting through to fall harvest. My theory is this will pay huge dividends.
Unfortunately I think you're right. I bought 2 180's from Mike at GrowLedHydro, and I must say, they are awesome. But when they go, there is no way to replace the bulbs or board other than sending them back to be serviced (god knows what that'll cost), or buy new ones. I don't want to deal with the heat issues and ballast problems of HID's so I guess the T5 solution is the lesser of 3 evils. I'm going to compare the LED's against a quantum badboy or possibly a solar flare. I just read borntorun's T5 badboy vs solar flare journal and was very very impressed with his results.
Borntorun's Latest, New Lights, AK-48
Question: how would you compare the temperature of the t5 badboy with the LED?
With my LED's, I can have them on for hours and literally put my hand on the light with no issue. I like how close you can get plants to the light, it really makes a hughe difference and also gives a lot more penetration and much better results. You can have em like 2" or 3" away from the tops without breaking a sweat, no sign of burn at all. Can you do the same with the badboy? borntorun mention that the solar flare got a bit hotter, but those are 95W VHO bulbs, whereas the badboy are 65W HO I believe, so they wouldn't run as hot. I may try both, maybe 12 bulb units which I think is somewhere around 780W. I try, even with the new technology (LED's and T5), to use a comparable wattage as what I would with an HID. It is also interesting about being able to change the spectrum of the bulbs as you go, and perhaps as the technology develops, there will be more and more spectra available. The LED I have has 11 different spectra and works extremely well. I got it after reading Irishboy's LED grow. I think T5's will get there eventually though too.
I like what you have written about foliar feeding and liquid light with the saturator formula. I've heard really positive things from many people. It seems to make node sites very dense and tight. I haven't tried it myself but am dying to try.
What is the other foliar spray formula you use 4x a day?
Have you ever used seltzer?
Would this be effective in any way as a CO2 delivery method?
I haven't done any research into this area so if this is an idiotic question, I apologize. Logic dictates that if it were effective, people would discuss it more, but you never know.
P.S. You mention an Accumulator in some of your posts: what is that?
sorry for the barrage of questions, but I want to emulate your grows in so many ways, and you seem to be on my kind of program
Thanks