That's a good idea about the gang valve. I will get that set up today.
Thanx!

--
Matt C.
http://home.comcast.net/~briarbushbrewery/


"Allyb" wrote in message
...
I don't know what happened to your fish, I think bucky may have been right
about them sleeping. Do you normally check them after the lights have
been
out a while.

Actually I was writing to mention something about CO2 and ph swings. If
you
leave the CO2 going with the lights out when the plants can't use it you
can
cause dramatic ph swings which can be really hard on your fish. I solved
this in my diy system by routing my CO2 through a gang valve. When the
lights go out I just open one of the vacant valves, and the CO2 vents into
the room instead of into the tank. Before I go to work in the morning I
close the valve. Make sure you use check valves if you try this so you
don't let a lot of oxygen into your CO2 engine, or siphon all the water
out
of your tank :-) Good Luck!


"Matt C." wrote in message
...
HI all- Newbie to this group here

I have a 29 gallon freshwater tank and i just spent about 2 1/2
weeks
planting the tank. I installed a 1 liter DIY CO2 system yesterday and I
noticed last night at about 11pm, that it was bubbling nicely through a
microfine airstone located at the bottom of the tank. By this time
(11pm)
the tank light had been out for about 2 hours, and I popped it on for a
few
minutes to check on the fish and they were all very palecolorless and
hanging out on the bottom near the CO2 airstone.
The fish are neons, glo-lights and pristella Tetras and two dwarf
gouramis. All were very subdued. If they werent getting enough O2,
wouldnt
they be gasping at the surface? I dont know if this is from the co2 or
not,
but I unhooked it, cranked up a regular airstone and put them to bed.
This morning they are all happy and fine with good color and swimming
around
nicely.
Anyone have a thought on what I saw last night?
Thanx!

--
Matt C.
http://home.comcast.net/~briarbushbrewery/