Toxicity of compounds

[Justin Boucher]

There are several ways to do this I would think.

A "More concerning group" and a "Not as Much concerning group" would be a
good start.

I would place them as such:
More concerning - Nitrite, Ammonia
Not as Much concerning - Chlorine, Chloramine
Really not a worry (group) - Nitrate

If you want to know the toxicity based on the 1ppm level that you indicated.
I believe that Nitrite is more toxic than ammonia on a ppm basis. I don't
know about the separation of Chlorine and chloramine, however, Nitrate is
certainly least toxic (and to some, not a real conern at all under proper
water maintenance with regular changes).

Justin

"Gfishery" > wrote in message
...
> Could someone sort these by order of toxicity (to fancy goldfish)?
>
> 1ppm Ammonia
> 1ppm Nitrite
> 1ppm Nitrate
> 1ppm Chlorine
> 1ppm Chloramine
>
> Thanks!
>
>

[Gfishery]

Could someone sort these by order of toxicity (to fancy goldfish)?

1ppm Ammonia
1ppm Nitrite
1ppm Nitrate
1ppm Chlorine
1ppm Chloramine

Thanks!

[NetMax]

"Gfishery" > wrote in message
...
> Could someone sort these by order of toxicity (to fancy goldfish)?
>
> 1ppm Ammonia
> 1ppm Nitrite
> 1ppm Nitrate
> 1ppm Chlorine
> 1ppm Chloramine
>
> Thanks!


My guess:
1ppm Ammonia
1ppm Nitrite
1ppm Chloramine
1ppm Chlorine
1ppm Nitrate
or
1ppm Chloramine
1ppm Chlorine
1ppm Ammonia
1ppm Nitrite
1ppm Nitrate
--
www.NetMax.tk

[Elaine T]

Gfishery wrote:
> Could someone sort these by order of toxicity (to fancy goldfish)?
>
> 1ppm Ammonia
> 1ppm Nitrite
> 1ppm Nitrate
> 1ppm Chlorine
> 1ppm Chloramine
>
> Thanks!
>
>
Tough at 1 ppm. I'll go...
1 ppm Ammonia (at pH > 7)
1 ppm Chlorine
1 ppm Nitrite
1 ppm Chloramine
1 ppm Nitrate

My thinking... 1 ppm Ammonia kills at high pH - it's the only sure kill
in the list at that concentration. 1 ppm chlorine does gill damage but
might not kill - municipal water is higher, at 2-4 ppm. I think 1 ppm
nitrite and chloramine would be pretty close in toxicity since they both
work by diffusing across the gills, binding to hemoglobin, and starving
the fish of oxygen. I've had plenty of fish in cycling tanks live
through 1 ppm nitrite with salt and an airstone. 1 ppm nitrate is
completely nontoxic.

--
__ Elaine T __
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