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Re: [Killietalk] Air pump advice
With regard to blowers, I usually buy them used for under $100 each. They
generally last about two years, sometimes more, but they do wear out and
have to be replaced, so that has to be balanced against the cost of
replacing diaphragms.
----- Original Message -----
From: "Markus Brown" <thefishbiologist at charter_net>
To: "killifish discussion list" <killietalk at aka_org>
Sent: Friday, November 04, 2005 1:24 PM
Subject: Re: [Killietalk] Air pump advice
> Hello there!
> There would be several things to consider with your issue. The LT26 pump
> you
> have is a diaphragm driven pump that, according to the AES web site puts
> out
> a maximum of 4.25 CFM. This would be more than enough for 30 out lets, at
> moderate air levels. The problem with these compressors is that the
> diaphragm usually last a year or two and then your putting more money into
> them. They are normally noisy as all heck and run very hot! The blower you
> are considering needs special set up considerations. It will produce, as
> you
> know, a great deal of CFM at lower pressure and run more than a hundred
> out
> lets if necessary. This blower needs a much larger diameter of pipe, I
> would
> recommend 1 1/2"-2"PVC as apposed to the 1" diameter PVC for your
> compressor. The blower needs to be bled of any excess air, as well as your
> compressor, so be careful of back pressure. The blower your are
> considering
> will really use electricity! But all big compressor's will suck the juice,
> so it really boils down to how many out lets you think you will end up
> having and how much money do you want to spend on electricity and how
> quite
> you want your room! I think most folks here on this list, including
> myself,
> would recommend a linear piston pump for applications as large as 20-150
> outlets. They are efficient, produce plenty of pressure for very deep
> applications with air stones and are very quiet! the only thing I am not
> impressed with is the time it takes a LPP to get up to pressure. When the
> power goes out here in my system, I have to go through and re adjust some
> of
> the air out lets because the pressure change. Not a big deal, but
> something
> I don't experience with blowers, or diaphragm compressors.
>
> I hope this isn't to jumbled and has some info that helps;) Jehmco is a
> great resource for professional info on compressors! If you go with a
> Blower, I would recommend the Whitewater brand from AES.
>
> Markus
> ----- Original Message -----
> From: <bill_martin at und_nodak.edu>
> To: <killietalk at aka_org>
> Sent: Friday, November 04, 2005 6:21 AM
> Subject: [Killietalk] Air pump advice
>
>
>> Hi all,
>> I recently decided to change over from power filters on all my
>> tanks to air operated filtration. I hope I'll be able to save some on
>> electricty and I won't have as big an expense when I add tanks.
>> I bought a used Whitewater LT26 pump and haven't finalized my
>> manifold system. The other day my local pet store gave me their old
>> Spencer Vortex Blower (model no. 006S) for a promise of nice guppies
>> and black angels.
>> Now I have a pleasant predictament. Which pump should I keep and which
>> should I sell.
>> The Blower was run with out an intake filter and needs a few parts
>> replaced. While either pump will meet my needs, I'm thinking the
>> blower might be the one to keep. It has a capacity of 12.4 CFM at 14"
>> H2O and a maximum pressure of 25" H2O. The LT26 has a capacity of
>> about 5 CFM at 0" H20.
>> Right now I'll have about 30 outlets, ten of which will be in
>> tanks 18" deep. I'm leaning towards keeping the blower even though
>> it's a little more beat up. It delivers at least three times more air
>> and I'll not get much more selling the blower than I'll get selling the
>> LT26. Is this the right decision?
>> I haven't any idea how operation costs or noise level compare and
>> may be ignorant of other factors as well. If any one has had
>> experience with both types of pumps, I would appreciate some input.
>>
>> Bill Martin
>> Join the AKA at http://aka.org/modules/tinycontent0/index.php?id=9
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>>
>
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>
>
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>
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