[APD] CO2 for multiple aquaria

[Dave Gomberg <dave1 at wcf_com>]

At 09:01 8/23/2004, Andy Lavery wrote:
> One could take an existing CO2 tank and use it to refill the smaller
> bottles...That is one way that could make multiple CO2 systems a bit 
> cheaper, needing
> only one larger tank

It is very easy to drive several aquaria off one CO2 cylinder (I avoid the 
word "tank" because of ambiguity).

You simply need to daisy-chain multiple needle valves off a single 
regulator.  The airhose to connect the needle valves to each individual 
tank is cheap.  Even better, put the pressure dropping needle valve near 
the regulator to drop the pressure to 2-4 psi and then use additional 
needle valves as trimmers at each aquarium.  It costs one extra needle 
valve, but the simplicity and ease of operation is worth it in my 
opinion.   If you want to talk to someone who has done lots of these, write 
me and I will ask my customers' permission if you may write them.  I have 
several customers who have done five or more.  Sometimes many more.


--
Dave Gomberg, San Francisco    NE5EE       gomberg1 at  wcf dot com
http://www.wcf.com/co2iron for low cost CO2 systems that work!
500th System Sale: 6 Fabco needle valves and 6 Eheim diffusors
 Regularly $300 postpaid, now $200 postpaid   Gas those other tanks!
http://www.wcf.com/apbook  for Kasselmann's "Aquarium Plants" book SPECIAL
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