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Old 11-08-2011, 11:20 AM   #1
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ph keeps falling?

is a marine buffer and water changed the only way to keep my ph up? it keeps dropping and my fish keep dying...it really sucks...thanks
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Old 11-08-2011, 05:55 PM   #2
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whats your light schedule?
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Old 11-09-2011, 08:54 AM   #3
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Do you have a lot of movement at the water line, that will help keep ph up
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Old 11-12-2011, 02:09 PM   #4
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My light schedule is 12/12...i think i have a lot of movement...i have a powerhead that ripples the surface, my protein skimmer return and my filter return...when i look in the tank i have a pretty movement of water...i started having trouble after we had a tornado and i lost asll my fish except for a damsel. i let the tank sit for about 6 months just keeping up the regular maintenance. When i started adding livestock again they all have been dying within 2 or 3 weeks of getting them...but, the damsel lives on...any suggestions?
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Old 11-12-2011, 02:19 PM   #5
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Help with tank recycle...all my fish are dying...

Ok, here is the deal... I have a 125g FOWLR...When I set it up I let it run for about 6 months. I had a good cycle and my water parameters were always fine. I had a nice livestock with 2 damsels, a clownfish, foxface rabbit, blue tang, lion fish, humu humu trigger, and some snails and crabs. We had a tornado come through the area in May and I lost all of the fish except for the damsels. So I let the tank sit again for about 6 months and kept doing the regular maintenance. I started adding fish again and they all die except for the damsels. My LFS says my ph is low, which it is, but I cant seem to get it to stay up...My maintenance is as follows...10% water change every week, cleaning my canister filter every 2 weeks, and adding a marine buffer every week. I keep my lights on a 12/12 timer. Any suggestions or should I do like a 50% water change and just basically start over? It's getting expensive and depressing...The weird thing is, is that the fish act fine and when I check the next day they are dead. It's very strange. Any help is appreciated...Thanks
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Old 11-12-2011, 09:37 PM   #6
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Your pH drops to what??? What is it initially, and what does it fall to?
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Old 11-13-2011, 12:10 AM   #7
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I get it 8.2 to 8.3 and it falls to 7.8...
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Old 11-13-2011, 12:40 AM   #8
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Quote:
Originally Posted by meinporsche
I get it 8.2 to 8.3 and it falls to 7.8...
Hmmm... 7.8 pH shouldn't kill a fish. What is your temperature set at? And what salt mix are you using?

I noticed my pH goes up when I raise the temperature in my tank (not sure why). I also use Instant Ocean and it stays around 8.0pH.
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Old 11-13-2011, 12:54 AM   #9
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I use instant ocean and keep it at 1.023...my temp is 80 I did have it at 78 but the same the thing was happening with the fish
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Old 11-13-2011, 08:47 AM   #10
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That pH swing will not kill fish. For starters I would raise the salinity to a more natural level of 1.026. How are you measuring salinity? What is your ammonia and nitrate reading?
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