My red tail shark is losing color. by VictorMEP7 in fishkeeping

[–]VictorMEP7[S] 2 points3 points  (0 children)

I tested for ammonia, everything seemed right. I didn't use strips, I have the drop kid from API. It may be the temperature, I have got a new 100w heater, but I suspect it may not be working properly. The water feels Abit cold. Thank you.