To answer the above questions:
- Actual readings from both tanks: Ammonia: <.25 ppm, Nitrate 10-20ppm, Nitrite 0-0.05ppm, soft water ~75 ppm, chlorine/chloramine 0, alkalinity is a bit low at ~80-100 ppm, pH ~7.
- Both tanks are about a year old, started fresh when I moved into my new place. No...