This is a 3 year lapse in a tank with 0 water changes. 0 nitrate and phosphate higher than yours. Fish fed once or twice a week with 1 brine cube. You can see clearly that not changing water in 3 years had zero I'll effect on my hammer.I’ve had him for a few months. And everything seemed fine. Haven’t added anything else after him. I guess it’s cause I don’t do water changes often.

