[PSUBS-MAILIST] Scrubber

Mon Dec 11 20:39:25 EST 2017

Hank,

I would think it would be fine as long as you used an air tight bag to put
it in and flushed it out with an inert gas before sealing it closed as it
is the 02 that does the damage.
Rick

On Mon, Dec 11, 2017 at 3:20 PM, Brian Cox via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Is it possible to put a plastic bag around the whole scrubber to keep it
> from getting spent?
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.
> org>
> To: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] Scrubber
> Date: Mon, 11 Dec 2017 23:19:34 +0000 (UTC)
>
> Brian,
> I am not the best person to comment on scrubbers, but I think almost
> anything works.  Size of scrubber is a matter of personal preference.  We
> all have different ways of doing things, as long as at the end of the day
> your CO2 PPM is in your desired range.  Again, I like small multiple
> scrubbers, I am a cheap skate and will use absorbent until it is spent.
> That means the absorbent is sitting in a damp space until it is fired up
> again.  I have had absorbent turn into a block, and that is a waste.
> Hank
>
> On Monday, December 11, 2017, 11:47:56 AM MST, Brian Cox via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> Hank,     I could probably go bigger on my inside diameter cylinder screen.
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.
> org>
> To: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] Scrubber
> Date: Mon, 11 Dec 2017 01:13:51 +0000 (UTC)
>
> Brian,
> My main scrubber in Gamma is larger also but I find that I prefer
> smaller.  Ideally from a cost perspective, consider  one large scrubber and
> one or more small scrubbers that can be sealed completely.  The problem
> with one large scrubber is you waste absorbent, because you don't use it
> all in one dive.  Do your normal diving off small scrubbers so they are
> spent and use the big scrubber in an emergency.
> Hank
>
>
> On Sunday, December 10, 2017, 6:05:32 PM MST, Brian Cox via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> If use a 4" dia X 12" internal mesh cylinder I would have about 791.70 cu
> in of absorbent available.
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org
> >
> To: "Personal Submersibles General Discussion" <
> personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] Scrubber
> Date: Sun, 10 Dec 2017 16:56:52 -0800
>
> Hank,   What would be the total cu in volume of absorbent that it holds
> would you estimate?
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.
> org>
> To: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] Scrubber
> Date: Mon, 11 Dec 2017 00:31:30 +0000 (UTC)
>
> Brian,
> I made a scrubber last year that works a treat from 4 inch PVC pipe with a
> 2 inch hollow core made with you guessed it 2 inch PVC end caps.  I bought
> some screen to cover the aluminum mesh and had to do a tiny bit of
> machining.  I used a PVC threaded cap with foam under the cap to compress
> the absorbent.  Not pretty, but works fantastic for under 20 dollars.
> Seems anything can be a scrubber!
> Hank
>
> On Sunday, December 10, 2017, 3:57:36 PM MST, Brian Cox via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> Yes, that's the plan.
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: Alan via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.
> org>
> Subject: Re: [PSUBS-MAILIST] Scrubber
> Date: Mon, 11 Dec 2017 11:54:08 +1300
>
> So you are making a radial scrubber?
> Alan
>
> Sent from my iPad
>
> On 11/12/2017, at 11:25 AM, Brian Cox via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Correction:   this is the one I have on order:
>
> http://www.woodlanddirect.com/Outdoor/Patio-Heaters-Parts-
> Accessories/Tall-Patio-Heater-Main-Burner-Screen
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org
> >
> To: "Personal Submersibles General Discussion" <
> personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] Scrubber
> Date: Sun, 10 Dec 2017 14:08:35 -0800
>
> Yes but you want maximum surface area to be coming in from the perimeter
> of the canister , the outside should be all screen I should think.  I also
> have this coming by post soon :
>
> https://www.amazon.com/Main-Burner-Emitter-Screen-10-25/
> dp/B00V3J1JPC/ref=sr_1_22?ie=UTF8&qid=1494280355&sr=8-22&
> keywords=patio+heater+replacement+parts
>
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: Alan via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.
> org>
> Subject: Re: [PSUBS-MAILIST] Scrubber
> Date: Mon, 11 Dec 2017 11:00:40 +1300
>
> Brian,
> I have looked at all sorts of filters to see if there is anything mass
> produced & cheap that might be easily adapted. Haven't found anything
> yet that is worthwhile adapting. There may be something ( & I continue to
> keep my eyes open) but there are all sorts of peculiarities specific to a
> submarines requirements like fan, spring, height to diameter ratio & a
> transparent container
> & it seems easier, as Emile says, to start with an acrylic tube.
> Alan
>
>
> Sent from my iPad
>
> On 11/12/2017, at 8:29 AM, Brian Cox via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Hey All,
>                     How about these to make a scrubber out of:
>
> http://www.utahbiodieselsupply.com/brewingfilters.php#cornydryhopper
>
>
> Brian
>
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