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I've discovered and awesome way I can attach the Ducting on the right hand side.. I am gonna buy another 3.7" CPU fan...then take the fan out of it...just keep the plastic circle, I'll cut off the corners with the Dremmel and remove the fan, and cut out a notch for the Power cable and Mogul...

I want my money back for those seeds.......or I'am callin' the COPS! ha ha ha lmao.... :) - ZTELTHY :leaf:

I'll have to setup a heat trial when its done..n see what works best :) oh here's a LINK to my other thread....Got some questions that need answers :) !! https://www.rollitup.org/grow-room-design-setup/571248-ztelthy-needs-help-kelvin-k.html The most recent question/s are the ones in my...

Looking at the pics of this Mini-Cab makes me smile :) its perfect for some percy and is really stealth...I like the way that if you needed to leave for whatever reason (so long as your careful) you can just carry it away and no-one would be any the wiser. Wouldn't attempt going through Customs...

BUMP! - ZTELTHY :leaf:

Which ballast do you have? ...I have 3 other Lumatek Ballasts a 250, 400, and 600w .. The 400 gets warm and the 600 gets warmer...but the 250 stays pretty cool, I am hoping the 'dim switch' should make a difference to the Ballasts core temp/s as well!? (Just a hunch) lol.. - ZTELTHY :leaf:

...and I can dim the ballast to run the Dual-Spec HPS lamp in flower at a reduced Wattage @ either 150W or 175W - so that should defo. allow me to shut off the main exhaust, C02 allows you to run slightly hotter temps too.. so that's always a bonus :) ...still loads to do yet though !! - ZTELTHY...

I'll have to see what the temps are like.. and see if the Cool-tube fans are enough to keep the temps at bay! ..if so I'll be able to run C02 and keep the main exhaust on a timer. Cheers - Yeah I figured that be the best place for the ballast...out the way and close to the main exhaust filter...

Yeah man! .. the fans slotted straight straight in and were a comfortable fit :) I glue gun'd them in to make them as effective as possible.. The Odor socks are great in my opinion...but I'd always use one as well as a propper Carbon Filter... I've heard good things about them but have never...

-UPDATE- I used my glue-gun to seal the CPU fans in-place within the ducting connectors The new 250w lamp looks huge within the DIY 3.7" Cool-Tube, I will now have to make a bigger reflector wing...oh well! that's pretty easy :) I have installed the new 250W Dimmable Lumatek...

Ok I've done some research and apparently the lower the Kelvin the better the lamp for Flowering...BUT-!!! I am confused.. You see : 2700K is the norm and recommended Kelvin rating, However the Sun-Master Dual spec HPS runs at 2000K (a drop of 700K).. ..does that mean any lamp running 2000k...

Ah..ok .. I will just stick to the 6500K standard MH and hope the E39 lamp fits the E-40 Mogul ... Then my next challenge is to figure out which Dual Spectrum 250W HPS lamp offers the highest PAR and get that...then lastly I want to get an extreme RED HPS in there for late flowering - ZTELTHY :leaf:

Does the Ceramic Arc make a difference to the way the plant/s grow under it ? as opposed to being under a normal Metal Halide ? I'am running a Lumatek Digital Ballast, so I guess I will have to go with a normal Metal Halide ...but I will defo be going for the 6500K version (although they are...

Having my screen horizontal, I'am hoping for at least 3 oZ, anything more would be a bonus :) I too have touched on the topic of mimicking nature and dimming the lights where necessary and peaking them at mid-day (High Sun) .. But after much debate.. it was decided its more benificial to deliver...

If I could find exactly how the 8000k will have an effect on the plant before I commit to buying the lamp, I plan to scrog under the lamp but also want lots of nodes etc.. - ZTELTHY

I will try n find a kelvin color ratio chart n see where "8000k" (6500k and 8000k) is and hopefully find out how it will work in conjunction with Vegging and if a 6500k would be better or not!? - ZTELTHY :leaf:

From what I understand the 6500k and the 8000k arc's fire up only 1 at a time ....so one-day the plants would be under 6500k then the next day they would be under 8000k then the next day back under 6500k...I dunno if this would be good or not but the lamp looks impressive just need to know if...

as many of you prob. know I am building a stealth cab.. and have decided to up my Watts, from 100W HPS, to a Dimmable 250W HPS... I plan to use a 250W metal halide for veg, but am stuck between 2 lamps... one of them is a 6500k metal halide........and the other is a 6500k & 8000k "Dual Arc"...

Hi Dude, cheers man :) I was going to arc the screen but changed my mind for the 1st grow in this cab... mainly because I am unsure of how much extra stuff I may be adding... no doubt I'll modify it eventually though :) Your setup looks pretty cool.. how much height has your plants got in there...