Keep all filters running 24 x 7.
Do not overstock the tank.
If the fishs fins are fraying it could be due to Ammonia, nitrite or
high nitrate - get test kits for these.
As already suggested, Aquarium salt is good for wounds and split fins.
You want to add roughly 1 tablespoon per gallon, but add over the course
of 24 hours in 3 sets (i.e 1 tablespoon per 3 gallons every 12 hours).
Dissolve before adding.
Thanks for everyone's help.
I test PH levels and they are OK. No other fish has damaged fins so I would
say the Red Cap Oranda is getting chomped. I put in water conditioner which
has salts in it, is this what you mean by aquarium salt?
Thanks again.
> Keep all filters running 24 x 7.
> Do not overstock the tank.
[quoted text clipped - 7 lines]
> of 24 hours in 3 sets (i.e 1 tablespoon per 3 gallons every 12 hours).
> Dissolve before adding.
fondoo - 22 Jul 2005 14:44 GMT
water conditioner and aquarium salt are two seperate things.
> Thanks for everyone's help.
>
[quoted text clipped - 15 lines]
>> of 24 hours in 3 sets (i.e 1 tablespoon per 3 gallons every 12 hours).
>> Dissolve before adding.
Elaine T - 23 Jul 2005 01:05 GMT
>
> Thanks for everyone's help.
>
> I test PH levels and they are OK. No other fish has damaged fins so I would
> say the Red Cap Oranda is getting chomped. I put in water conditioner which
> has salts in it, is this what you mean by aquarium salt?
Goldies don't "chomp" each others fins. Your fish has finrot because
the tank is new and doesn't have any biological filtration yet.
Aquarium salt comes from a fish store, or you can use grocery store
pickling salt. Geezer's instructions are what I do as well.
As Geezer has also said, you need test kits for ammonia, nitrite, and
nitrate at a minimum as your tank is going to "cycle" and things will
get worse before they get better.
Check out the rec.aquaria FAQ in my sig. It's not specific to goldies
but should be helpful nonetheless.

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