HELP! pH swing - pbass suffering!

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What is the ph of the water coming out of the tap and have you used anything like ph altering chemicals in the tank recently? Does the tank have any stuff like sandstone, limestone, bogwood, rust etc in tank at all? How long has this tank been set up and how long have the fish been in there?
 
Tokis-Phoenix;920644; said:
What is the ph of the water coming out of the tap and have you used anything like ph altering chemicals in the tank recently? Does the tank have any stuff like sandstone, limestone, bogwood, rust etc in tank at all? How long has this tank been set up and how long have the fish been in there?
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No pH altering chemicals or rocks etc.
Tank fully cycled, no ammonia or nitrite.
Tap water pH now is 8.0, has been 7.6 usually. Must have been even higher when i did 33% water change though to cause that much of a swing surely??

KH was only 5.5 so i assume this allowed a sudden pH swing when i added the dodgy tap water.
Would it be safe to try to get the pH back down immediately

Cheers.
 
It was probably the tap water which did it then. Hmm...I wonder what would cause such a sudden change in ph in the tap water though? Perhaps the water company which supplies your water knows more on this?
 
The tap water pH and KH here seems to be unstable lately and looks like its caught me out bigtime!!

Not sure whether to try to bring it back down now or just keep fingers crossed. I could use pH 7.4 water from another tank? Not sure if this would cause another more damaging swing in the pH or if it would help to get it back closer vto what it was?
 
Well, one has died (surprisingly it's the biggest), the others look ok so far but i can't say i'm confident :(

It's about 7hrs since the water change / pH swing so i think its too late and of no benefit to bring it back down now. I doubt such young fish would cope well with two pH swings in one day!! I'm just hoping the surviving 3 are tougher than they look.

Looks like i'm going to have to test my tap water before every water change in future :wall: :swear:

Just hope i'll be able to post some good news tomorrow.
Thanks for the replys.
 
Nick660;920768;920768 said:
Well, one has died (surprisingly it's the biggest), the others look ok so far but i can't say i'm confident :(

It's about 7hrs since the water change / pH swing so i think its too late and of no benefit to bring it back down now. I doubt such young fish would cope well with two pH swings in one day!! I'm just hoping the surviving 3 are tougher than they look.

Looks like i'm going to have to test my tap water before every water change in future :wall: :swear:

Just hope i'll be able to post some good news tomorrow.
Thanks for the replys.
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Sorry for your loss. The water here changed recently and wiped out my african cichlid collection.
 
O well, over 24hrs since the pH swing and 3 out of 4 baby tems survived. They look ok and have fed.

I plan to do small regular water changes to gently bring the tank pH back down in line with supply.

There's been some unusually heavy rainstorms over the high water catchment areas recently which i suppose could have washed stuff into the water supply causing the wide pH fluctuations.
I must have done my water change at exactly the time when a load of unusually alkaline water was passing through the pipes! That's the sort of bad luck i could really do without!
Looks like i'll be testing supply water before every water change in future!
:irked:
 
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