Overdose with DIY CO2

C

CBWMN

AC Members
Oct 11, 2007
443
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0
El Paso, TX
Hello,

I think I OD’d my DD black angels with DIY CO2 last night.
I use two heavy duty gallon jugs hooked together and put the outlet into the canister inlet.
At night I usually take the hose off but last night I forgot.
I read somewhere that injecting too much DIY CO2 cannot be done.
When I woke there were a couple of them swimming sideways and upside down.
I did a 50% WC and put an air stone in the tank.
They look OK now but it scared me.

The aquarium is a planted 46G BF with six DD blacks and two ABN.
Rena XP2 , 96 Watt A&H lighting in DIY hood.
EI fertilization.

Does anyone else think it’s possible to over saturate the water column with DIY CO2?

Thank you

Charles
 
With 2 gallons of DIY?..lol..it's possible. Not very cost effective, however. You might as well go pressurized.
 
I have also been told that it is highly unlikely, however I think the same thing happened on my 29. I was using only 1 two litre bottle and I hooked up a second, within a week all my RCS were dead along with many of my larger briggs. The water clouded to the point you couldn't even see the back of the tank. All params were ok so I unhooked one of the bottles and the tank is getting better, with 50% WC's everday. So yes I do think it is possible:)
 
I would gladly go pressurized but it's so expensive.
Got a wife fighting cancer and a lot of medical bills.

Thanks for the responses

Charles
 
It is extremely risky to put a diy co2 feed directly into any filter intake, especially a canister. It is very likely that the yeast mix will get sucked into the filter and then into the tank, this is far more deadly than the co2.
 
2Tank,
I actually use 3 - 1G AriZona ice tea bottles the first 2 feed an empty bottle which then feeds the filter intake. The caps scres on tightly and I use model airplane bulkhead fittings for an (CO2) tight seal.

Thanks for the advice
Charlrs
 
My water parameters were:
NH3/NH4 - 0 ppm
Nitrite .25 ppm (tap water .25 ppm)
PO3-4 .5 ppm (tap water .5 ppm)
KH 89.5 ppm (tap water 89.5 ppm)
GH 161.1 ppm (tap water 143.2 ppm)
PH 6.0 (tap water 7.0)
Note my PH kit won’t show below 6.0

When I noticed the fish in distress, I immediately started an air stone and began a PWC.
I siphoned water from the tank into 4 – 5 G buckets then I replaced the water.
I then tested the water in the buckets.

Using a CO2 calculator, I figure the CO2 level was at 150 ppm.

The fish are fine now but the experience scared me.

Thank you
Charles
 
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