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Old May 19th 05, 07:19 PM
Elaine T
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IDzine01 wrote:
Oh, I also wanted to mention that I have had major shredded fins occur
when I'm not carful with ph testing. My tap water is more alkaline then
my tank water so if I'm not careful and change too much water (50%) the
pH levels fluctuate more then the .2 safe range. That's when I notice
shredding on my old betta.

I actually haven't heard anyone verify that pH fluctuations can cause
shredded fins so I can't say for sure if this is true, but I have seen
it a few times now and it's consistant with pH fluctuations.

Maybe someone can verify or discount this theory for me. I'd like to


Really? I did big water changes Friday and Sunday since I've been
battling algae growing on the java moss. I wanted to lower phosphates.
Seems like Sunday to Wednesday is kind of a long gap but that makes
more sense than anything else I've come up with. My tap water is
alkaline and variable - I've tested it as high as pH 8. The pH of the
betta tank usually stays fairly close because there's no gravel to trap
anything but I didn't test this time.

Does the shredding you take a few days after the pH change and then
happen literally overnight?

Happily, the little guys are looking fine in every other way.

Elaine T __ '__
rec.aquaria.* FAQ