Re: Low-cost retail CO2 bottles?
- From: Repeating Rifle <salmonegg@xxxxxxxxxxxxx>
- Date: Thu, 28 Jul 2005 19:50:39 GMT
On 7/28/05 9:39 AM, in article Q1GejDH4oQ6CFwjV@xxxxxxxxxxxxxxxxx, "David
Littlewood" <david@xxxxxxxxxxxxxxxxxx> wrote:
> (3) Buy a Kipps generator (they come up on eBay) and use it with marble
> chips (CaCO3) and dilute sulphuric or hydrochloric acid*. The way these
> work (Google it) would allow you to produce slow or intermittent
> controlled amounts as needed.
You don't really need a Kipp generator. Sulfuric or muriatic (cheap
hydrochloric) acid are cheap enough. Calcium carbonate in the form of
limestone, chalk, or even clam shells is also pretty cheap. Adding the to
any kind of a plastic container container with a hose outlet big enough to
prevent bursting will probably be satisfactory. Concentrated sulfuric acid
is available as battery acid or in some forms of drain cleaner. Muriatic is
often available for pool maintenance or other applications.
Calcium sulfate, which is not very soluble, and very dilute residual
sulfuric acid may actually be good for the alkaline soils found in
California. Calcium chloride is very soluble and probably will not harm soil
in small quantities.
Bill
.
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