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DIY CO2 mini-disaster and request for help
I use DIY CO2 mostly because of the low entry cost. I have 4 plant
tanks. I don't mind doing a little maintenance now and then.
However, last weekend I made up a new solution for a 10 gallon tank,
two cups of sugar, one packet of gelatin in a 1.5 liter bottle. I
have a very efficient diffuser and it runs 24 hours.
This tank is practically a solid block of green, but there was
one adult black molly I had been trying to catch and 4 or 5 baby
The co2 concentration went to 45 ppm. The pH wasn't anything bad
(Houston tapwater has a heck of a buffer) but the fish in the tank
just disappeared. Probably down in the plants somewhere with a ton
of snails all over them.
So you can kill fish with C02, even if you have a large buffer
capacity (I'm slowly learning all the different ways you can kill
There was a post several weeks or months ago where somebody described
a method of adding sugar solution to a DIY reactor slowly in order
to avoid the peaks and valleys of DIY reactors. I can't seem to
come up with the correct keywords to find it in the archives. Can
anybody remember it?
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