I have no experience with discus, but just based on what I have seen posted around here I think most people change the water once a day (so I guess ~30 times a month?)
__________________ "Error of opinion may be tolerated where reason is left free to combat it. "
- Thomas Jefferson
"In criticizing, the teacher is hoping to teach. That's all."
- Bankei A Website Dedicated To My 90g Reef! |