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Been playing with this machine for a month making and concentrating three batches of golden dragon tinctures from 20 gram loads of leaves per oz 190 proof everclear to perfect the process before using buds. There are a lot of reviews on Amazon claiming low temps, decided to check that out using...

Hello people. Some of you might recognize the black light poster (Uncle Sam The Great Magician, an anti-war poster) in the background of my pic, it's taped up on the door of my barracks room at Fort Knox back in the 70s. The single finger salute is about FTA (F the Army) not against any...

Man this is some scary shit. Used to have a fish tank and used an RO system for that, currently use a pur faucet filter for drinking cooking etc. Not gonna stop the frankenshit. I buy the el cheapo Great Value water at walmart sometimes, in my area it says right on the label that the source...

I'm using a similar model General Tools MM1E that just has lights that correspond with a bar graph, and manual range selection. Mfr page indicates this one can be used for leak detection in addition to moisture. Probably same sensor with slightly different circuits, externals different (and...

typo - (or even want to)

Calculating flow is pretty complex, differential equations similar class of those used in fluid mechanics & thermodynamics. Air is compressible so some profs make you do Fanno flow https://en.wikipedia.org/wiki/Fanno_flow . In reality, who in the hell could possibly quantify (or even stink...

But your flow is choked to 20 CFM (at best possible run e.g., straight) by the 4" wire embedded plastic flex duct most people use. 6" flex duct is better rated at 75 CFM which allowing for normal bends etc should flow with little to no restriction. https://www.pickhvac.com/hvac-duct/sizing-chart/

Should work out fine, esp the 72" height, wish i had that. I went with separate components because Amazon varies the price and sometimes you can get a deal (I got the vivosun 6x18 filter for $45 on a deal, outer metal housing was dented but easy to fix). I have the AC Infinity 6" flex duct and...

Come to think about it, my second pic you can see the meter is sitting at 89 degF 46% RH. I turned the light off 5-10 min before taking the pic so it had cooled some from running temp. Plants on previous grow turned out good but filter didn't...

So that's why the filter outside on my first setup worked OK well into flower zero smell then quitting working altogether pretty quickly - must have gotten clogged up. I had thought of the sock that was one of the reasons that I moved it inside after carbon refill. Made lemonade with the 32x32...

Ref post by Fishmon above, "Something else to consider...slightly upsizing affords more space for accessories..." I had a few days between grows to fix my vent system. The second photo shows the filter I used, VIVOSUN 6" x 18" Carbon Filter for Inline Duct Fan (Currently $70)...

True...

I recommend Gateway Safety 28GB66 Conqueror Wraparound Eye Safety Glasses. They are used in gas welding/cutting, and meet the ANSI spec for IR Shade 5 (99.9% block of UV-A, B, and C). They also meet the milspec for impact protection (e.g., BBs shot at them etc). There are other Shade 5 specs...

I hung that exact light in a Coolgrows 32"x32"x63" tent and grew two Black Jack autos which are normally short but I had to use LST to keep them from stretching into the light in that tent (light is removed in photo). I ran a 6" fan into a Vivosun filter on the exhaust the first few weeks of...