Hey guys, old member back again after many years having just started keeping goldfish again. I bought two beautiful big fantails yesterday from my lfs about 3 years old according to the resident goldfish expert and she told me a few things that I thought were...interesting and wanted to know your opinion about.
1. Big goldfish don't do well with big water changes, try to do only 10-15% a week or per day if you want to remove a huge amount of water.
2. Don't test your water all the time. Your nitrates will be high, just deal with it. She said "I used to go nuts trying to get them under control now I just leave them".
3. Keep the water salty - if you can't taste the salt in the water it's not doing its job.
4. Having big guys like this is great you can see the red streaking when they're stressed more easy. Note: one had streaking through her tail for the past 4 weeks I have been looking at her when I go in. She did mention about this particular one having it already. Correct me if I'm wrong but I always thought that yes, it's a sign of stress but also of poor water quality?
So obviously I don't agree with the water changes - the salt I'm partial to as some people do keep their goldfish in salty water.
I tested the water they came in and the pH was 6.0 and nitrates off the scale! But I acclimatized them to my new tank slowly. Now they are happy little munchkins. They were very cramped in their previous home. I'm just amazed at how big they are! But one does appear to be an oranda with very little wen growth.
I'm glad she wsa passionate about her goldfish though I must admit and when I was able to get in that I have a 220L tank with a 60L sump that pumps 3600L per hour she seemed to calm down so maybe she's pretty tired of selling goldfish to people who don't care.
Anyway - curious of your opinions!