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RE: Aquatic Plants Digest V4 #1106


I'd like to add needle valves to the two older CO2 systems I purchased from
you. Will the one you sell work with the old-style regulators?

michael moncur   mgm at starlingtech_com   http://www.starlingtech.com/
"I don't care what is written about me so long as it isn't true."
                -- Dorothy Parker

> Date: Fri, 22 Jun 2001 10:14:20 -0700
> From: Dave Gomberg <gomberg at wcf_com>
> Subject: Revised version of pressurized CO2 system
> Having spent the better part of the last year researching options and
> experiment with different setups, my CO2 system has had two changes made:
> 1.  A Norgren regulator is now provided instead of a Cornelius
> 2.  A needle valve is offered, and encouraged if fish are involved
> Reasons:
> 1.  My experiments showed that Norgren's dump a little less than Cornelius
> regulators.  Since I was able to keep the cost increase to me moderate,
> there is no increase in price, in fact, in recognition of little wholesale
> volume, the price of the system is decreased to $109.95
> 2.  Before, the only needle valve I trusted was the Hoke, which is very
> nice but very expensive.   Since then I have discovered the Fabco NV-55
> which is a very nice valve too, and I can sell it for only $25, including
> all needed adaptors.  With a reasonably priced needle valve now available,
> I now recommend the use of a needle valve if there are fish in your
> tank.   If no fish, the needle valve is still an unnecessary expense IMHO.
> I hope you enjoy the freedom from yeast maintenance that pressurized CO2
> brings.
> BTW, many folks have asked whether pressurized CO2 isn't expensive.   It
> does have a high initial cost (close to $200), but after that it is
> actually cheaper than yeast.  If you value your time at burger-flipping
> wages, you can recover the high initial cost in 2 years according to my
> figuring.