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Carbo Plus

At 03:48 AM 5/8/99 -0400, you wrote:
>Has anyone seen the new "Carbo-Plus" CO2 generator? It makes CO2 by an
>electrolytic reaction between a carbon brick and water, creating oxygen
>and hydrogen. The carbon released combines with the free O2 to produce
>CO2. They say it produces .29 grams of CO2 per hour. Is anyone using
>this? It's advertised in the early summer Pet Solutions catalog.

I asked for an evaluation unit, the one that arrived did not work.  They
never replaced it.

If I understand the chemistry correctly it would work well if you had hard
water with lots of carbonates in it and plants that were deficient in
carbonic anhydrase (very rare).  Even then it is quite costly and seems to
require quite a bit of maintenance.  For the right person it might be a
good choice, maybe.

Dave Gomberg, San Francisco            mailto:gomberg at wcf_com