"Nikki Casali" wrote in message
...


A controller will control - hence the name - the amount of CO2 dissolved
very precisely, usually within 0.1 pH, depending on hysteresis.




a controller will do that with a tank of pressurized co2, but I don't see a
practical use for a controller with diy co2. Somebody might figure out a
way though.

--

Margolis
http://web.archive.org/web/200302152...qs/AGQ2FAQ.htm
http://www.unrealtower.org/faq