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Old 08-06-2008, 04:58 AM
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Do you have a sump? If not are you using some type of surface skimmer?

Tanks without sumps can sometimes have a film buildup on the surface of the water that inhibits co2/oxygen exchange which can lower ph.
Even if you do have a sump try pointing a powerhead directly at the surface see if that helps to raise the ph at all
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Old 08-06-2008, 06:48 PM
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Well it is time for a WC and I did that this morning so hopefully that will help. I will retest pH tonight. I always test right at lights out. Also I added another powerhead and pointed one at surface for more agitation.
Thanks for the tips - hopefully this will fix it! Oh and no I don't have a sump nor a surface skimmer.
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Old 08-06-2008, 06:59 PM
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Are you using a glass cover? If so, that could be preventing the excess co2 in the water from gassing off.
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Old 08-06-2008, 07:40 PM
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Quote:
Originally Posted by fkshiu View Post
Are you using a glass cover? If so, that could be preventing the excess co2 in the water from gassing off.
No just eggcrate cover, but thanks. Hopefully I just need to angle the powerheads up more.
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-2 Occelaris Clowns, Engineer Goby, RBTA, Peppermint Shrimp
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