I need help with my activated carbon filter

Grow Equipment
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1

Hello, I would like to buy a grow tent 1.50×1.50×2.20
and need more information about the activated carbon filter.
Since I didn’t think entirely through looks when it came to the topic of expiration, I’m asking here.
All the websites where I had the formula calculated always gave me different results. Even when I calculated it myself, I didn’t get any results that were similar or even the same as the results from the websites.
I’ve already picked out an activated carbon filter that might fit, maybe someone will say that it’s totally shit and doesn’t fit at all, you’ll certainly have a lot more idea than me, so I’d rather be on the safe side and ask.

I don’t use Co2 or air conditioning. If it is necessary for the calculation.

I also have the following things to calculate the formula

Tent
1×1.50×1.50×2.20cm

Homebox Ambient Q150+ Plus kaufen

Homebox Ambient Q150+ Plus kaufen​

Homebox Ambient Q150+ Plus – Blitzschneller Versand :heavy_check_mark: Spitzenpreis :heavy_check_mark: Top-Bewertungen :heavy_check_mark: Jetzt bequem online bestellen!

LED
2× 340 watts

SANlight EVO 1.5 LED Beleuchtungsset, mit Kabel und Dim

SANlight EVO 1.5 LED Beleuchtungsset, mit Kabel und Dim​

SANlight EVO 1.5 LED Beleuchtungsset – Blitzschneller Versand :heavy_check_mark: Spitzenpreis :heavy_check_mark: Top-Bewertungen :heavy_check_mark: Jetzt bequem online bestellen!

Exhaust fan
1×Prima Klima ECblue exhaust fan, 1180 m³/h, 160mm connection
https://www.grow-shop24.de/prima-kl…9zcxv18JzSyimglm_rmssyzc6-ocg2xcpi71jmulybcuq AVD_BWE

Activated carbon filter
1×Rhino Pro activated carbon filter 600cbm / 160mm

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Rhino Pro Aktivkohlefilter 600cbm / 160mm, 89,90 €

Rhino Pro Aktivkohlefilter 600cbm / 160mm, 89,90 €​

Aktivluft Bochum Die Rhino Pro Filter sind aufgrund der optimierten Konstruktionsweise sowie der effizienteren Aktivkohle kleiner, leichter und länger haltb

hoses
1× 3 meter aluminum hose

I’m a bit overwhelmed with the calculations for the space itself where the tents are placed
I definitely need some clarification on this topic

I thank you in advance for your efforts and your help

1 Like
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I think that comes out to a 5x5 feet tent and for that I would be running a 8 inch exhaust fan and filter…

2 Likes
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But how strong does the filter have to be in m3/h or do you have a product you can suggest to me
Greetings from Germany :slight_smile:

2 Likes
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gutten tag… I thought you were looking at static carbon filters… I am not sure I understand "how strong does it have to be’…
my grow room with filter and fan on top of tents

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IMG_0736 (1)1920×2560 466 KB

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160mm is approximately 6.2” that size would work for your size tent which is just under a 5x5 for size.
The same size carbon filter would be needed.
Many carbon filter makers will show the amount the air flow is reduced when using the carbon filter. I was unable to see what your link took me too as I don’t speak or read German so I can’t help you there.
If your concerned about reduced air flow when using the carbon filter during flower (not needed during vegetative state) go up to the next size inline fan which would be around 8” or 203mm and get the filter for that size. The carbon in filters that I’ve used come from Australia I believe been awhile since I needed them.

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That fan in the first post might be a little weak for the tent in the first post, even without any flow restrictions on the fan. But in general you can provide a carbon filter that is effective & not restrictive at all. It just has to allow for enough flow, & to allow for the air to pass through enough carbon slowly enough to be effective. Knowing what to get ahead if time can be tricky because often you aren’t given enough complete info about the fan &/or the filter to make a determination. But in general, if you go with a stubby filter with the same port size as the fan, you fall down to around 60% down your fans pressure map (centrifugal or hybrid fan), & whatever your flow is down there, is what it is. A longer filter -all else being equal- will flow more. A step up flange to a filter with a bigger port -all else being equal- will flow more, & again if it’s longer. Keep the carbon layer thick enough & it stays effective. Eventually you’d get to a size where the fan is flowing as much as it can. If you don’t have numbers ahead of time, you can bench flow the fan after the fact with a d.i.y. flow gauge & then run it with the filter installed to check for losses.