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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.
--
Dave Gomberg, San Francisco gomberg at wcf dot com
NEW Planted Aquaria Magazine: http://www.wcf.com/pam
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