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sandman420
Saint PP



Registered: 06/17/04
Posts: 5,384
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Re: Cultivation General Discussion [Re: natedawgnow]
#27091905 - 12/16/20 10:15 AM (3 years, 1 month ago) |
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anyone reading this that cares to educate themselves can read more and see that ULPA does not operate on a pore size, it has electrostatic charged parts and is designed to capture only very very small stuff buty lets heavy stuff go more than a HEPA. I'm done arguing with someone that briefly skimmed something and thinks he caught me on a decimal slip lol.
the info is there.
HEPA better than ULPA for a hood.
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sandman420
Saint PP



Registered: 06/17/04
Posts: 5,384
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Re: Cultivation General Discussion [Re: sandman420]
#27091907 - 12/16/20 10:18 AM (3 years, 1 month ago) |
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Logically you are thinking hey smaller pore size right? Wrong its not a pore that the air is going through it is big channels that are electrostatically charged.
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GrinchGrower
N00B


Registered: 10/02/20
Posts: 682
Last seen: 2 years, 8 months
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Re: Cultivation General Discussion [Re: natedawgnow]
#27091908 - 12/16/20 10:19 AM (3 years, 1 month ago) |
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On another note, I went with one of the small 12"x12" flows from another vendor (didn't check to see if they are a sponsor so won't name drop) and received it in perfect condition.
I just wanted it to start practicing flow technique and working more efficiently with agar.
After seeing all the feedback on Myer's "free shipping" I am counting my stars I didn't drop a bigger chunk of change. Hopefully Eric will take all the issues into account and improve packaging by the time I am ready to upgrade...
Edit: I WAS thinking pore size and admittedly did not read the article.
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sandman420
Saint PP



Registered: 06/17/04
Posts: 5,384
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Re: Cultivation General Discussion [Re: GrinchGrower]
#27091915 - 12/16/20 10:27 AM (3 years, 1 month ago) |
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Air would not be able to pass through a 0.1 micron sized pore very much at all it would be insanely high static pressure. But as im sure all you experts are aware ULPA filters have exceedingly low static pressure and are very thin...because they work dfifferently.
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natedawgnow
Rocky mountain hood rat



Registered: 02/09/15
Posts: 8,939
Loc: ation
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Re: Cultivation General Discussion [Re: GrinchGrower]
#27091920 - 12/16/20 10:31 AM (3 years, 1 month ago) |
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Bro I've read many articles, including yours, about the difference. I've built multiple hoods and worked in front of an ulpa. Why would a company, who needs a cleanliness level so intense they need to filter viruses, use a filter that lets larger particles in?
Seriously just think about what youre saying AND READ YOUR OWN ARTICLE and youll get it. Nowhere does your own article say that ulpa cant filter larger than .4 micron.
Your own quote only says that it's better than hepa at filtering the .12-.4 range BECAUSE HEPA CANT FILTER IN THAT RANGE AT ALL.
Down to .12 means down to. Everything above and down to. Not sure what to tell you.
It doesnt say in their efficiency ratings that they only filter in a specific range. It says theyre better at filtering in that range than hepa which is true cause hepa cant filter in that range at all.
Theyre more efficient. End of story
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sandman420
Saint PP



Registered: 06/17/04
Posts: 5,384
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Re: Cultivation General Discussion [Re: natedawgnow]
#27091934 - 12/16/20 10:37 AM (3 years, 1 month ago) |
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Not end of story at all see
we could keep going all day.
If we need an ULPA they are used at an end of the line filter system obviously, Where any largest particles are already dealt with by other prefilters and HEPA filters in whatever system is needed.
They are more efficient in a specific range only.
And hepas filter plenty of stuff that is that small obviously. Not not at all.
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natedawgnow
Rocky mountain hood rat



Registered: 02/09/15
Posts: 8,939
Loc: ation
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Re: Cultivation General Discussion [Re: sandman420]
#27091940 - 12/16/20 10:42 AM (3 years, 1 month ago) |
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Honestly your ignorance to this fact has no effect in my life or my cult so I wont be going all day. Hepas also work through static attraction. You obviously have no idea what youre talking about.
They work via the same mechanisms.
For ulpa, 99.9999% down to .12 means 99.9999% down to .12 for hepas, 99.97% down to .3 means 99.97% down to .3
Not 99.9999% but only in a specific range. Believe what you want though
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natedawgnow
Rocky mountain hood rat



Registered: 02/09/15
Posts: 8,939
Loc: ation
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Re: Cultivation General Discussion [Re: natedawgnow]
#27091949 - 12/16/20 10:52 AM (3 years, 1 month ago) |
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Quote:
ULPA: 99.9995% efficiency for the removal of 0.12 ยตm diameter or larger PM (submicron particulate matter)
https://www.google.com/amp/s/high-techconversions.com/hepa-vs-ulpa-filters-comparing-air-filters/amp/
Quote:
ULPA filtration traps the finest of PM โ the ones that go right through a HEPA filter.
https://www.airsystems-inc.com/air-purification-news/hepa-versus-ulpa-filtration-whats-the-difference/
The point is that ulpa absolutely filters larger particles too. They are also more efficient than hepa by far. 3 times as efficient even. Youre just wrong here dude.
For the record both my hoods are hepa
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sandman420
Saint PP



Registered: 06/17/04
Posts: 5,384
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Re: Cultivation General Discussion [Re: natedawgnow]
#27091961 - 12/16/20 11:00 AM (3 years, 1 month ago) |
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both your hoods, and mine are HEPA because HEPA is what you use for a hood good day sir
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natedawgnow
Rocky mountain hood rat



Registered: 02/09/15
Posts: 8,939
Loc: ation
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Re: Cultivation General Discussion [Re: sandman420] 2
#27091964 - 12/16/20 11:02 AM (3 years, 1 month ago) |
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Wow
If you think I've been arguing to use ulpa over hepa for a hood then you have terrible thread following skills.
I was correcting your blatant misinformation and falsehoods of your original post. Then defending my position against your accusations of denseness.
I will die on this hill mother fuckers
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sandman420
Saint PP



Registered: 06/17/04
Posts: 5,384
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Re: Cultivation General Discussion [Re: natedawgnow] 1
#27091968 - 12/16/20 11:06 AM (3 years, 1 month ago) |
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I said good day lol.
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natedawgnow
Rocky mountain hood rat



Registered: 02/09/15
Posts: 8,939
Loc: ation
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Re: Cultivation General Discussion [Re: sandman420]
#27091972 - 12/16/20 11:10 AM (3 years, 1 month ago) |
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I'd give you a 5 shroom for that but I see you're an opt out
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Stipe-n Cap


Registered: 08/04/12
Posts: 7,623
Loc: Canada
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Re: Cultivation General Discussion [Re: natedawgnow]
#27091973 - 12/16/20 11:11 AM (3 years, 1 month ago) |
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Quote:
natedawgnow said: I will die on this hill mother fuckers 
That a boy.
I come for the orgy's, but I stay for hill top deaths.
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ModularMind
M.P.F.



Registered: 02/09/10
Posts: 7,902
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Re: Cultivation General Discussion [Re: Stipe-n Cap] 1
#27092007 - 12/16/20 11:36 AM (3 years, 1 month ago) |
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Sooo..
Which filter should I take?
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jcm4620
Stranger


Registered: 05/26/19
Posts: 6,700
Last seen: 1 year, 11 months
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Re: Cultivation General Discussion [Re: natedawgnow]
#27092008 - 12/16/20 11:36 AM (3 years, 1 month ago) |
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Quote:
natedawgnow said: The decimal can mean the difference between life and death in some scenarios
lol like when programming a cnc machine when i put in z-1.0 instead of z-.10๐๐๐oops fuckn crash boom bang 40,000$ part junk lol boss was pissed๐๐๐๐๐ ya that decimal can be life and death in a lit of situations
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sandman420
Saint PP



Registered: 06/17/04
Posts: 5,384
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Re: Cultivation General Discussion [Re: Stipe-n Cap]
#27092014 - 12/16/20 11:39 AM (3 years, 1 month ago) |
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I'm sure no one wants to hear us go on about it anyway. The truth is ULPA is functional, better or not. I had a minipleat one a long long time ago.
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sandman420
Saint PP



Registered: 06/17/04
Posts: 5,384
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Re: Cultivation General Discussion [Re: sandman420]
#27092020 - 12/16/20 11:41 AM (3 years, 1 month ago) |
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But choice wise I'd choose a HEPA 99.99% what say yee
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Yeetusdeetus



Registered: 11/23/19
Posts: 1,242
Last seen: 3 hours, 20 minutes
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Re: Cultivation General Discussion [Re: sandman420]
#27092088 - 12/16/20 12:23 PM (3 years, 1 month ago) |
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Wouldnโt an ULPA experience pressure drop sooner than a hepa since it collects more crud faster?
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ModularMind
M.P.F.



Registered: 02/09/10
Posts: 7,902
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Re: Cultivation General Discussion [Re: Yeetusdeetus]
#27092097 - 12/16/20 12:27 PM (3 years, 1 month ago) |
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Quote:
Yeetusdeetus said: Wouldnโt an ULPA experience pressure drop sooner than a hepa since it collects more crud faster?
Yeth
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lookintolearn
Stranger becoming Strangest



Registered: 06/02/20
Posts: 574
Loc: Up in the Cut
Last seen: 1 month, 19 days
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Re: Cultivation General Discussion [Re: Yeetusdeetus]
#27092107 - 12/16/20 12:34 PM (3 years, 1 month ago) |
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So I contacted Mr. Myers about the whole situation and he is a great guy. He apologized about Fedex fucking it up, and to be honest, the packing of the flowhood was pretty good. It was double boxed, and inside the box with the flowhood there was multiple sheets of foam, thick foam on the corners, double wrapped in plastic, ect.
I don't blame him for the damage. My package went through one of the shittiest Fedex locations around my area. Has over 1k ratings and 1.3 stars. I found this out the hard way. It was literally put on the truck for deliver FIVE DIFFERENT TIMES and it has all the stickers on the box where they put it for delivery and someone just didn't wanna fucking deal with it.
Myers said he would either replace both of my filters and give a discount for the inconvenience or if the fan inside the unit is to messed up he would just replace the whole thing. Solid guy. It sucks because I waited almost 2 months now for this (after it shipped not waiting for it to ship).
Hopefully whatever ends up happening, he chooses to not use Fuckex for it.
-------------------- Don't be afraid of feeling the feelings Lookin to LAGM 2021    Looking to start growing? Read through Bod's Introduction to Everything Looking to start agar? Start with Alien's Holy Grail Looking to perfect your transfers? Start with D3monic's Perfect Transfers Looking for easiest prep to Coir ever? Eat's UNBUCKET Tek Looking to start LC? Try LI first! Munch's super easy Blenderless LI
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