RE: [APD] how do solenoids work?

["Rick Engstrom" <rick703 at mts_net>]

well my response may be silly also but would it not be easy to just turn the
valve off from the tank at night and give it a turn back on when ever you
want the gas again.

Rick

-----Original Message-----
From: aquatic-plants-bounces+rick703=mts_net at actwin.com
[mailto:aquatic-plants-bounces+rick703=mts_net at actwin.com]On Behalf Of
Amy
Sent: Thursday, June 10, 2004 11:55 PM
To: aquatic-plants at actwin_com
Subject: [APD] how do solenoids work?




Forgive the silly question, but does anyone know exactly how solenoids
"turn off" the flow of CO2? As the valve on the bottle remains open,
would there be a danger of the pressure damaging the regulator? I'd like
to turn off the CO2 at night. Would the resulting rise in pH (from about
6.8 to 7.1) hurt the fish?

rant: My expensive Harris regulator dumped last weekend, nearly killing
the fish. This CO2 thing is very frustrating and somewhat scary, but the
results are so wonderful, I want to continue using it. I'm hoping a
solenoid will help make for a safer setup. Oh well. $$$$$

Amy




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