With my regular recipe, after the bottle has calmed down, I get 1
bubble/2-3 sec. Thru testing, I regularly get CO2 levels of 22-27ppm.
Right where it should be.
I totally understand what you're saying about the pH fluctuations tho.

I plan on migrating everything to a 10 gal. pretty soon.

Chris

On Sat, 30 Nov 2002 17:21:14 +1100, "Tasslehoff"
wrote:

I see, I'm no expert on this but I'm fairly sure it's not a good idea
injecting Co2 into a tank this size. The PH swings alone will be seriously
stressing your fish and will be much more noticeable esp at the start and
end of the life of the mixture. 50-60 ppm is probably screwing up your
fishes ability to breathe ie perm damage to their gills. If you're really
determined to use CO2 try and aim for 1 bubble about every 10-14 seconds. ie
kill the yeast, maybe 1/10th teaspoon?

"RifRaf" wrote in message
...
It's a 5 gallon tank that is established (approx 3 months). I've been
running CO2 for about 6-8 weeks now and haven't seen ANYTHING like
this before.

The 1L reactor bottle is sitting on the same shelf as the tank...no
check valve...although, I DO have own; just never installed it.

I wondered also if there was yeast solution getting into the tank
somehow, but I don't see how.

Along that same line of thought....the last solution I made, I forgot
to add the baking soda and also hooked up the bottle right away after
making it. The bottle is always very active and gives a very
irregular CO2 flow rate for the first 2-3 days.
I noticed that the rate seemed excessive and took a measurement....CO2
was approx. 50-60 ppm!!

I unhooked the bottle and let it sit until it calmed down. I then
hooked it back up. It was right about this time when this whole
problem started.

Possibly during that period of very high flow some yeast was carried
into the water?
If so, how do I attack a yeast infection in the tank?
I've done several LARGE water changes...like I'd said, the next day,
it starts looking cloudy/milky again.

Chris

On Sat, 30 Nov 2002 15:07:32 +1100, "Tasslehoff"
wrote:

How big is your tank? If its small there might be yeast somehow ending
up
in the tank and giving the tank a yeast infection. Probably best not to
use
Co2 on tanks less than 80l(~20g?). Make sure the Co2 is above the
waterline
esp if you don't have a check valve. Fertilisers added in the morning do
make the water a bit cloudy initially but shouldn't be milky as you
described. Is it an established tank ie you've have it set up for three
or
more months. Anything less and the tank could still be cycling.

"RifRaf" wrote in message
...
I've been fighting what I *think* is a bacterial bloom for abour the
last 1.5 weeks.

The water looks milky and even after large water changes goes back to
being cloudy after about a day.

A pattern I noticed tho was that the water steadily got clearer
througout the day and then in the mornings when I turned the light on,
the water was MUCH cloudier...again.

So...as an experiement, I unplugged my DIY CO2 at night when turning
off the lights.

In the mornings, it's still as clear as the end of the previous day
(which usually ended up looking fairly decent).

So...is there a connection here between running the CO2 at night and
it somehow contributing to the cloudy water?

Chris


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