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Re: CO2 injection line-ups (was Aquatic plants blah we know already blah)
How about adding another possibility:
Bottle + Reg + Needle Valve + Glass diffuser
- -----------------------------
PRO simple, not intrusive in tank, self-contained
CON none known ;)
Bonus points if this actually prevents CO2 dumping, and <light humor
on> an extra
gold star if you connect the needle valve directly to the regulator
<light humor
off>. Maybe this would be a good opportunity to do the mini-dump
experiment of
turning off the main tank valve that was talked about earlier.
-- Stephen
> Bottle + Regulator + needle valve + reactor
> - -------------------------------------------
> PRO can be 100% efficient, fast dissolving, little cleaning required
> CON bulky and/or external, requires water flow, bubble counter
> May be cheaper, or more expensive... Pro or Con?
>
> Bottle + Reg + Glass diffuser
> - -----------------------------
> PRO simple, not intrusive in tank, self-contained
> CON dumping problem, algae build-up, difficult to adjust, inefficient
>
> Bottle + Reg + powerhead/canister diffusion
> - -------------------------------------------
> PRO easy, works with existing hardware, no dump problem
> CON even less efficient than diffusor
>
> inverted bell
> - -------------
> PRO simple, can be efficient, fairly safe (vents excess out bottom)
> CON bulky and ugly, and inefficient RATE of dissolving