Yellow Tang swimming eratically

Irvine

New member
He's been swimming like this for 3 days now, (juts in and out of the rocks, stops, shakes (kinda like an african cichlid) calms down, then he's off again, not his usual mellow self.
Tonight I notice He is pale in colour also.
no signs of parasites, and His fins are still intact and normal Hes also eating normally.
I did all the usual tests and all are normal except the PH is down to 7.9 (although Ive never been able to get it above 8.2) could this be a big problem?
I added marine buffer yesteday to raise it, but as of yet its still 7.9.

Other fish seem normal (Niger Trigger, Pygmie Angel, and a 3-stripe Damsel)
This is in a 90Gallon FOWLR tank.
 
usually not a good sign.. some type of parasite could be pestering it. how long has the fish been in there?
anything newly introduced?
 
Well, whatever was bothering him seems to be gone, He has his colour back, and is swimming normal again.

Ive had him for 5 months now with no problems, nothing has been added to the tank for a couple of months (Niger Trigger).

regarding the PH, any tips on keeping it at 8.2-8.3? I cant seem keep it above 8.0
 
I dont have an Alkalinity test kit, so I would'nt know where its at. I do know my Phosphate is slightly high. 0.25ppm.
 
in order to have some idea regarding ph issues it is most helpfull to know what the alk is...they go hand-n-hand.
 
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