Biofilter crash question

[Kodiak]

Can a rotting dead cadavre, wrapped
around a filter intake, but not clogging the filter,
cause the biofilter to crash? Can the water get
poisoned but nothing shows up on the testers,
no Ammo, no Nitrite, no Nitrate, good KH/GH?

Can a fish hit by an ammo spike only die weeks later?

....Kodiak

[Donald K]

Kodiak wrote:

> Can the water get
> poisoned but nothing shows up on the testers,
> no Ammo, no Nitrite, no Nitrate, good KH/GH?

Yup. Hydrocarbons can poison the water and not show up on the tests.

Lots of things can.

> Can a fish hit by an ammo spike only die weeks later?

If its gills got frapped, yup.

Also the ammonia spike can make the fish an easier target for diseases
that it might have been able to handle if fully healthy.

-D
--
"One ought, every day at least, to hear a little song, read a good poem,
see a fine picture, and, if it were possible, to speak a few reasonable
words." - Johann Wolfgang von Goethe

[[email protected]]

yup. one reason I hate snails in GF tanks. they die and poison the whole system

Donald K > wrote:

>Kodiak wrote:
>
>> Can the water get
>> poisoned but nothing shows up on the testers,
>> no Ammo, no Nitrite, no Nitrate, good KH/GH?
>
>Yup. Hydrocarbons can poison the water and not show up on the tests.
>
>Lots of things can.
>
>> Can a fish hit by an ammo spike only die weeks later?
>
>If its gills got frapped, yup.
>
>Also the ammonia spike can make the fish an easier target for diseases
>that it might have been able to handle if fully healthy.
>
>-D



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