i ry to do a 25-30% change everyweek and a 100% change every month or soFat Homer;5079055; said:The only thing i can personally see being wrong is your test kit possibly being inaccurate?
Most people here will recommend the API liquid test kit as its more accurate compared to most other brands...
But overall, as most have said, the only problem i can see is something in your water cuasing problems?
Lastly, since i don't think any one has asked yet, what are you water change schedules like?