Corals disilike water change?

[Mpacyna]

I have, intermittently, had corals react very poorly to water changes, to the
point of actually having some dieback. I have made sure that the temperature,
salinity, etc. are all within proper limits. I also do the water changes in a
matter of minutes so the pumps are not off for long at all.

Has anyone else had this problem? I'm typically replacing 5 gallons or so on a
30 gallon tank (a little over 15%). I would think the existing water would
help to buffer the new water.


Mike

[Dragon Slayer]

I've done as much as 75% water changes with no ill effects. I just have to
assume your water isn't a perfect match. some salt mixes when freshly made
have high amounts of ammonia and nitrates.

kc

"Mpacyna" > wrote in message
...
> I have, intermittently, had corals react very poorly to water changes, to
the
> point of actually having some dieback. I have made sure that the
temperature,
> salinity, etc. are all within proper limits. I also do the water changes
in a
> matter of minutes so the pumps are not off for long at all.
>
> Has anyone else had this problem? I'm typically replacing 5 gallons or so
on a
> 30 gallon tank (a little over 15%). I would think the existing water
would
> help to buffer the new water.
>
>
> Mike
>

[erik]

How 'bout aeration?
My RO water can sit in a 5 gal bucket for several days. Me and my
schedule fight over whether or not I should aerate the water before
dumping it in the tank.

I'm sure O2 levels are pretty low after my water sits for days.


Erik

On Wed, 12 Nov 2003 12:51:38 -0600, "Dragon Slayer"
> wrote:

>I've done as much as 75% water changes with no ill effects. I just have to
>assume your water isn't a perfect match. some salt mixes when freshly made
>have high amounts of ammonia and nitrates.
>
>kc
>
>"Mpacyna" > wrote in message
...
>> I have, intermittently, had corals react very poorly to water changes, to
>the
>> point of actually having some dieback. I have made sure that the
>temperature,
>> salinity, etc. are all within proper limits. I also do the water changes
>in a
>> matter of minutes so the pumps are not off for long at all.
>>
>> Has anyone else had this problem? I'm typically replacing 5 gallons or so
>on a
>> 30 gallon tank (a little over 15%). I would think the existing water
>would
>> help to buffer the new water.
>>
>>
>> Mike
>>
>

[Dragon Slayer]

your RO water is very low in O2 and it probably increases sitting in the
bucket as some of the CO2 can blead off, not much but more then was
origianly there.

kc

"erik" > wrote in message
...
> How 'bout aeration?
> My RO water can sit in a 5 gal bucket for several days. Me and my
> schedule fight over whether or not I should aerate the water before
> dumping it in the tank.
>
> I'm sure O2 levels are pretty low after my water sits for days.
>
>
> Erik
>
> On Wed, 12 Nov 2003 12:51:38 -0600, "Dragon Slayer"
> > wrote:
>
> >I've done as much as 75% water changes with no ill effects. I just have
to
> >assume your water isn't a perfect match. some salt mixes when freshly
made
> >have high amounts of ammonia and nitrates.
> >
> >kc
> >
> >"Mpacyna" > wrote in message
> ...
> >> I have, intermittently, had corals react very poorly to water changes,
to
> >the
> >> point of actually having some dieback. I have made sure that the
> >temperature,
> >> salinity, etc. are all within proper limits. I also do the water
changes
> >in a
> >> matter of minutes so the pumps are not off for long at all.
> >>
> >> Has anyone else had this problem? I'm typically replacing 5 gallons or
so
> >on a
> >> 30 gallon tank (a little over 15%). I would think the existing water
> >would
> >> help to buffer the new water.
> >>
> >>
> >> Mike
> >>
> >
>

[wolfhedd]

i would say right off the bat, do the water change ALOT slower, and try to
have atleast a powerhead running in the tank to keep the circulation while
changing water, but maybe turn the filter pumps off if your worried about
something there. A slow siphon will allow water to diffuse slowly allowing
water to mix without abrubt changes.
wolfhedd
"Mpacyna" > wrote in message
...
> I have, intermittently, had corals react very poorly to water changes, to
the
> point of actually having some dieback. I have made sure that the
temperature,
> salinity, etc. are all within proper limits. I also do the water changes
in a
> matter of minutes so the pumps are not off for long at all.
>
> Has anyone else had this problem? I'm typically replacing 5 gallons or so
on a
> 30 gallon tank (a little over 15%). I would think the existing water
would
> help to buffer the new water.
>
>
> Mike
>