Reddit reviews VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan Vent Blower for Grow Tent

Nutes: https://www.amazon.com/gp/aw/d/B006XTQGLO?psc=1&ref=yo_pop_mb_pd_t2

Few packages of these to hang lights and filter:
https://www.amazon.com/gp/aw/d/B010DD743O?psc=1&ref=yo_pop_mb_pd_t2

Extension cords
Plenty of options

Lights
https://www.amazon.com/gp/aw/d/B01B4GQ6MO?psc=1&ref=yo_pop_mb_pd_t2

Fabric pots:
https://www.amazon.com/gp/aw/d/B00TF9E6XE?psc=1&ref=yo_pop_mb_pd_t2

Air control
https://www.amazon.com/gp/aw/d/B01H1R0K68?psc=1&ref=yo_pop_mb_pd_t2

Fans
https://www.amazon.com/gp/aw/d/B001R1RXUG/ref=yo_ii_img?ie=UTF8&psc=1

Outlet timer:
https://www.amazon.com/gp/aw/d/B06XC7GTCN/ref=yo_ii_img?ie=UTF8&psc=1

Tent https://www.amazon.com/gp/aw/d/B01731MNJE/ref=yo_ii_img?ie=UTF8&psc=1

Carbon filter
https://www.amazon.com/gp/aw/d/B01CJ5D4AG/ref=yo_ii_img?ie=UTF8&psc=1

4 inch duct
Can find anywhere

Jewelers loop (super important)
https://www.amazon.com/gp/aw/d/B00K0BGNNC?psc=1&ref=yo_pop_mb_pd_t2

To dry your buds
https://www.amazon.com/gp/aw/d/B01GXHQIKO?psc=1&ref=yo_pop_mb_pd_t2

Surge protectors and ext cords
Find anywhere

Inline fans
https://www.amazon.com/gp/aw/d/B01M7S46YZ?psc=1&ref=yo_pop_mb_pd_t2

Soil probe

https://www.amazon.com/gp/aw/d/B017GQ9VVY/ref=yo_ii_img?ie=UTF8&psc=1

A few other things I got locally from grow shops. Quality seeds are important. Greenpointseeds.com is always having bomb sales, ship from Colorado, and are top quality. Soil from local grow shops but can also buy from online. I went cheaper on light, but I wouldn't do that again. Get good quality lights.

I bought this ikea cabinet My plan is to cut a hole in the top with a 4in hole saw and put in a duct fan like this and run the duct out the window. The only problem is getting the printer out of the cabinet when the print is done but I figure it's easy enough to build a sliding platform for that.

I think you’re “done” with this bud. Many a threads are on here with “what to do” ideas.

Look to set this up ASAP and next run to get humidity in the 45%.

Vent: VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan Vent Blower for Grow Tent https://www.amazon.com/dp/B01M7S46YZ/ref=cm_sw_r_cp_api_i_rlPRDbJH6MVKB

Humidity monitor/controller: Inkbird Humidity Controller IHC200 Humidistat Mushroom Greenhouse Pre Wired Outlet Dual Stage Humidifier Dehumidifier https://www.amazon.com/dp/B01J1E5LWM/ref=cm_sw_r_cp_api_i_4mPRDbN62PRW4

Set the controller to 45%, plug the fan into it, and she’ll watch the tent 24/7

https://www.amazon.com/wholesalers-Hydroponic-Scrubber-Ledwholesalers-GYO2305/dp/B005HT0GZ8


https://www.amazon.com/VIVOSUN-Inch-Inline-Ventilation-Blower/dp/B01M7S46YZ/ref=asc_df_B01M7S46YZ/?tag=hyprod-20&linkCode=df0&hvadid=198099432697&hvpos=1o5&hvnetw=g&hvrand=11339173752191949168&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=1027632&hvtargid=pla-350510992464&psc=1

Get this (or something similar, might be cheaper other places) and run it next to your space bucket. For one plant in a bucket this should be more then enough to keep smell out. Just set this up next to your bucket. Pull air through the filter and push it out the top of fan.

I haven't heard of anyone doing that. I guess it could work, but how effective would it be? I can't say. If you wanted to experiment, maybe get some P100 filters and test it out on some alcohol or acetone fumes.

What I do to vent fumes, and I suspect what most people do, is to simply run a duct with a fan to a window. Any 4" or 6" inline duct fan will work well. They're easy to mount, they're cheap, and they're very powerful.

This 6" inline fan is the one that I use. I have it plugged into a speed control because I rarely need it's full 400 CFM sucking power. I usually use it at about half power. I mounted it under my workbench with the output duct permanently installed in an adjacent window. I keep the input duct retracted under the table so I can pull it out when I need it.

I don't have any fancy system for this. When I'm cleaning a part and I need to vent the fumes, I just pull out the duct from under the table and rest it on the workbench next to the cleaning vats (being careful not to suck up any paper towels or nitrile gloves... for the tenth time). It's a bit ghetto, but it's very effective. I usually can't smell anything when the fan is running. Even isopropyl alcohol fumes get sucked away faster than they can reach my nose.

Hope that helps.

I used this one:
https://www.amazon.com/gp/aw/d/B01M7S46YZ?psc=1&ref=yo_pop_mb_pd_title

Along with a 3d printed duct for the back at the machine, with the blower positioned at the end of the hose. Works great.

I have a duct fan blowing into a carbon filter. It does a great job keeping the smell down.

Hello there, I recently started growing and purchased all new items. The fan you chose simply won't work. You will be very disappointed in the performance. I was going to use that fan as an inflow booster with a pre-filter. I quickly returned it because it just did not move enough air. The fan could not create positive pressure in the tent. I then tried this fan: https://www.amazon.com/gp/aw/d/B01M7S46YZ/ref=mp_s_a_1_3?ie=UTF8&qid=1495901534&sr=8-3&pi=AC_SX236_SY340_FMwebp_QL65&keywords=4+inch+inline+fan&dpPl=1&dpID=41G0I96VBVL&ref=plSrch

I ended up returning that one as well because it was advertised as 200cfm and it was not moving anywhere near the same air amount as the first fan I bought. I then broke down and bought the same fan I originally purchased as my outflow fan and filter. I bought just the fan for 56.00 as an inflow fan and put a pre-filter on it.

https://www.amazon.com/gp/aw/d/B00D7M6692/ref=mp_s_a_1_1?ie=UTF8&qid=1495901249&sr=8-1&pi=AC_SX236_SY340_FMwebp_QL65&keywords=4+inch+inline+fan+carbon+filter+combo&dpPl=1&dpID=51REkA1uNbL&ref=plSrch

A charcoal filter works for indoor use. I printed this adapter on my ender 3:

https://www.thingiverse.com/thing:2877754

And I ran it through a filter with these things:

• VIVOSUN 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation w/Two 4 Inch Stainless Steel Clamps
  
  
• VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan Vent Blower
  
  
• VIVOSUN 4 Inch Air Carbon Filter
  
  It works great for me, and I'm very sensitive to the resin fumes.

I used plastic ones on two bath renovations, very quiet, and wont rust.

VIVOSUN 4 Inch 195 CFM Inline... https://www.amazon.com/dp/B01M7S46YZ?ref=ppx_pop_mob_ap_share

If you are only using butane torches and a pickle pot, you may be able to get away without one, but it is healthier if you use ventilation. You are going to inevitably burn oils and other contaminants and that should not be going into your lungs.

A 200 CFM, 4" duct fan can be used with a dryer hose and a 'vent periscope' box to make a permanent in-window vent system. Add some duct insulation and it won't bleed heat. The basic setup is about $60.


https://www.amazon.com/VIVOSUN-Inch-Inline-Ventilation-Blower/dp/B01M7S46YZ/

https://www.amazon.com/Whirlpool-4396037RP-Inch-Vent-Periscope/dp/B001AAEG6S/

My periscope box installed: https://imgur.com/MIJTJDY

My vent setup: https://imgur.com/tNHUJ8X

I'm using Acetylene, and that gives off soot, so I *need* a vent system. I will probably add a stove hood from the remodelling surplus store just for better smoke collection.

It’s this tent vented with this fan with a carbon filter attached. They’re both pretty cheap but seem to be working fine so far.

4in fan

Ducting

https://www.horticulturelightinggroup.ca/collections/all/products/hlg-100
But thats still a lot of money for 4 square feet of canopy.
You could throw a 600w HID kit into a 4x4 tent for a few hundred $$ and get a ton more bud

This https://www.amazon.ca/iPower-Digital-Dimmable-System-Reflector/dp/B008H15WFM/ref=sr_1_3?ie=UTF8&qid=1541266480&sr=8-3&keywords=600w+hid+grow+light

with this https://www.amazon.ca/Upgraded-Window-Hydroponic-Indoor-Growing/dp/B075CF47H6/ref=sr_1_1?ie=UTF8&qid=1541266513&sr=8-1&keywords=4x4+tent

and this https://www.amazon.ca/VIVOSUN-Inch-Inline-Ventilation-Blower/dp/B01M7S46YZ/ref=sr_1_3?ie=UTF8&qid=1541266589&sr=8-3&keywords=4+inch+inline+fan

to replace your tent, light and fan. Less than $150 more than you spent on those things, but grows 4x the cannabis at a time

https://www.amazon.com/Humidity-Controller-Inkbird-Humidistat-Pre-wired/dp/B01J1E5LWM/

and this

https://www.amazon.com/VIVOSUN-Inch-Inline-Ventilation-Blower/dp/B01M7S46YZ

will clear your humidity out in a minute or two. get a cheaper humidistat if you want, just needs to turn on and off at a set point, but the inkbird is a good value.

You could do a space bucket style build if you are lacking space and dont mind some DIY.

But if you want a tent style this is kind of like mine
Tent just used this size as it is standard some companies will make smaller ones.

Lights good for a 2x2 tent

Inline fan exhaust

Booster fan good for air in

Filter wont need this until flower

I have a 2x2 tent and a Can Fan S-400, which was what my hydro shop recommended when I was getting started. There are no doubt cheaper 4" fans on Amazon, but it seems very well made and has a 5 year warranty. I also have a Vivosun 4" fan, which I run freestanding with an extra carbon filter attached to scrub the air during harvest. It works, and isn't especially noisy, but feels very cheaply made.

I've heard people say that a 6" fan turned way down can quietly move a lot of air, but haven't tried it, and a 6" fan on full speed could suck in the tent walls too much or even tear them. (I get pretty strong negative pressure with my 4" fan on full!)

I haven't used any fans with an integrated speed controller, but the external fan speed controllers that actually reduce voltage are vastly superior to the cheap ones that just rapidly flip power on and off -- depending on the fan motor type, the latter can damage the motor or produce loud buzzing as you slow it down past a certain point. When I tried one with mine, anything below 80% or so started buzzing. The better controllers cost a bit more ($70 vs. $15), but since it's actual industrial equipment it should have good resale value.

My tent is in my home office and I don't find the noise problematic, if that helps.

For a 2x2 tent, it's probably more effective to control humidity in the surrounding room, rather than putting a dehumidifier in the tent.

Of course man, also here is a list of the other parts I bought.

MyLifeUNIT 3 Way Duct Connector, Duct Splitter for Exhaust Fan Dryer Vent Hose, 4 Inch Dia. (Y Shape) https://www.amazon.com/dp/B07K2YKGWB/ref=cm_sw_r_cp_apa_i_0IHuDb9WEW7WN

VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan Vent Blower for Grow Tent https://www.amazon.com/dp/B01M7S46YZ/ref=cm_sw_r_cp_apa_i_LKHuDb1CNH3RQ

iPower GLDUCT4X25C 4 Inch 25 Feet Non-Insulated Flex Air Aluminum Dryer Vent Hose HVAC Ducting, 4", Silver https://www.amazon.com/dp/B07HMHCTWR/ref=cm_sw_r_cp_apa_i_xLHuDbGHERVSB

https://www.amazon.ca/gp/product/B01M7S46YZ/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

​

bought this with some duct and a carbon filter

Where to start with my update.

I began collecting the parts for the controller. I am using a BME280 for the temp and humidity sensor, this little screen for reading conditions at the chamber, 8 channel relay to control the various electronics, this fan and this filter for fresh air.

Here is an album of updated photos. The first is a blast gate controlled by a servo to control the fresh air flow. When the fan turns on the servo will open the gate and allow the fan to suck air out (more on that later). Next up is the freezer with the collar on. Its not put together properly yet but just a rough test fit shows its looking good. Then I have two inside shots of the chamber itself.

After talking with someone who understands air flow much better than I do, I changed the position of fan and filter as well as direction. The fan is going to suck air out from one side and the other will have the filter on it. This will keep the lid down, where as if the fan pumped air in it could lead to a pressure build up and the lid may crack open slightly. The elbows are put in so its not just the top air that is circulating. I am thinking of turning them so they don't point straight down but for now its good.

The inside shot show the slots made to hold up to 7 bars. I am going to seal in the collar with a piece of wood on the top then fill it with spray foam insulation and silicone it to the freezer.

The other thing that has changed since I last posted was that I was going to try to do the code myself. As I got parts in and tried to put something together it became clear there is no way I can do it. After searching around I put out a bid on upwork.com and now I am working with a friendly fellow from Nepal. We haven't gotten to far but I am excited by his proposal and he will be adding the ability for me to control it from a webpage.

Anyway that is it for now. I can see there isn't much activity on this post or another related post but I am going to follow through with the updates because in my searches for this project I cam across a lot of half finished ideas and projects. RemindMe! 2 months

How many of your side vents are open? Do you have any fans inside your tent moving air around? I have a 4 in PVC pipe that is inserted into one of the 4 inch opening in my 3x3, to allow unrestricted air into my tent.

For 25 dollars, you could buy one of these, and have it pull fresh air in.

https://www.amazon.com/VIVOSUN-Inch-Inline-Ventilation-Blower/dp/B01M7S46YZ/ref=sxin_2_ac_d_rm?ac_md=0-0-aW50YWtlIGZhbg%3D%3D-ac_d_rm&keywords=intake+fan&pd_rd_i=B01M7S46YZ&pd_rd_r=5d336609-c5ad-445b-a21f-c89c781d81f7&pd_rd_w=BhXBo&pd_rd_wg=CXN0U&pf_rd_p=2938a786-9bec-4d37-8c06-456e3edce5d1&pf_rd_r=V4C0YMY222M5QAW6T1EB&psc=1&qid=1570843257

It’s possible because there is no airflow, also it will cool your tent down. I bought 2 fans and some 4” ducting from amazon and probably paid about $50.

Here is a link if you would like to check them out.

https://www.amazon.com/VIVOSUN-Inch-Inline-Ventilation-Blower/dp/B01M7S46YZ/ref=mp_s_a_1_3?keywords=grow+tent+fan&qid=1569681479&s=gateway&sr=8-3

I wouldn't sleep while it's running. But the one you linked won't ship to me.
But i found a similarly powered exhaust fan.
This one
I've already found tubing and a filter to use.
As for noise I also have a FDM printer in my room that I run occasionally, so I'm sort of conditioned to it.

So I made this thread recently about a clone I bought on 4/20/19.

​

Now, a bit of time has passed and it's grown a bit more, but unfortunately still under very inadequate lighting. The temp and humidity were wrong this entire time, but I seem to have stabilized that. I plan on ordering this grow tent, just ordered this LED light, and am looking at this (or this) in combination with this to bring it all together. Anyone see any reason why this wouldn't be enough?

So really this should do the trick?

https://www.amazon.com/VIVOSUN-Inch-Inline-Ventilation-Duct/dp/B01M7S46YZ/ref=sr_1_11?ie=UTF8&qid=1509647629&sr=8-11&keywords=vivosun+fan

Sorry it should be inline fan

Here is one

VIVOSUN 4 Inch 195 CFM Inline Duct Ventilation Fan Vent Blower for Grow Tent https://www.amazon.com/dp/B01M7S46YZ/ref=cm_sw_r_cp_api_i_1vfrDb7H5Y14V

https://www.amazon.com/VIVOSUN-Inch-Inline-Ventilation-Blower/dp/B01M7S46YZ

https://www.amazon.com/dp/B071KXHCK3



pot growers run these for years at a time... literally non stop 24/7 for years.


if you need to duct any of it, you can use dryer hose for the outlet, but get something more rigid for the intake so it doesnt collapse.

Using a vivosun 195 https://www.amazon.ca/VIVOSUN-Inch-Inline-Ventilation-Blower/dp/B01M7S46YZ got mine on fleabay. It's ok, I don't know if its bearings or bushings, its quiet ish. Cheap as fuck, the casing has no seal so it leaks, I fixed by using metal duct tape on the joint. 195 cfm is the unrestricted flow from the outlet. So after resistance of the ducting its reduced. Also the resistance of the filter (has to push or pull through) it drops even more. I'm 2x3 x 6.5, on hot days I dont get the airflow so I had to put in a second extract. I expect colder weather will be perfect for it in my particular circumstances.