Hi 2 of my gold fish have lumps they Do not seem to bother them and have been there for months but they seem to be getting more and larger. My Koi have none of these I have searched but still not sure how to treat these.
I had them in a small pond for years, 2 of them have a lot of these growths even around the eyes I have decided the best way is to put them to rest as is distressing watching them they have had a good life thanks for you help all the koi are ok really fit and happyOh I missed that - 15 year old goldfish! That's awesome! Where were they before they went in the pond? Have you added any fish to the pond recently? Or did all these fish go in at the same time?
I am concerned about two things - 1. you say your pond is 700 to 1000 gallons... that's a significant difference and 2. you have a lot of fish in a small pond. I don't know that it's related to what you're dealing with now, but overstocking will definitely affect water quality, so maybe something to think about for the future.
Hi I use test strips and all the colours are in the safe zone
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