Original sentence: It lives in a tropical climate and prefers water with a 6.0–8.0 pH, a water hardness of 5–19 dGH, and a temperature range of 77 - 82 °F
Edited sentence: It lives in a tropical climate and prefers water with a 6.0–8.0 pH, a water hardness of 5–19 dGH, and a temperature range of 77 - 82 °F or 25 - 27.8°C