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Re: M3 CO2

I have used the M3 6-way needle valve for about five months.  I am very happy 
with it.  Great value.  Make sure you keep it away from kids (they love to 
play with it, it's shiny _and_  has knobs to turn) and away from where you 
can brush against it.  

FWIW, I use Dave Gomberg's CO2 system and am very happy with that too.  I 
like the Eheim diffuser/ bubble counter that Dave provides in his kit.  When 
I needed four more to use with my hexomanifold, I found my best price at 

Pierre Gagne
Kensington, MD

>  Thinking about finally taking the plunge and going lo-tech to hi-tech with
>  CO2 in my tanks.  Looking about the net for various components, I found the
>  Marine Monsters Monolith CO2 system deluxe (v6.0).  Looks like a halfway
>  decent package deal.  Reg, solenoid, needle valve for $149, plus a
>  six-needle valve manifold for an additional fifty.  Not the most fine of
>  needle valves, apparently, but probably sufficient for my application, and
>  the six-way manifold looks nice, as I have 5 tanks that could benefit from
>  CO2 at present.  Anyone have any experience (good/bad) with this system?
>  Thanks
>  Dave Gauthier