[PSUBS-MAILIST] Scrubber

Tue Dec 12 06:15:34 EST 2017

 Brian, I think a plastic bag works, because that is what I do.One nice thing about flipping your ballast tank over, it must give you confidence with how tough it is.Hank
    On Monday, December 11, 2017, 6:20:51 PM MST, 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 anythingyet that is worthwhile adapting. There may be something ( & I continue tokeep 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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