My main concern is her shell; it does not look good. Especially one really bad spot on it - see pictures below.
I put her in the bathtub for pictures - she seemed scared to be in there. She swims around normally while in her tank.






How big is your turtle? SCL 8.5"
How long have you had it? Less than 1 week
What is the water temperature? 77F
Did you use a thermometer? Yes
Are you using a water heater? Yes, Eheim Jager 300W
How much water is in there? 80-90 gallons
Are you using a water conditioner? No
Are you using any filtration? Yes, homemade 5-gallon bucket filter with 620GPH pump
What is the basking temperature? 89F
Is there a basking light? Yes
Is there a basking platform that is easy to climb on? Yes
What kind is it or what is it made out of? Light diffuser --> this stuff, minus the sharp edges
Is there a UVB light? Yes, Repti Glo 5.0 26W
What have you been trying to feed it? ReptoMin Floating Sticks
When was the last time your turtle ate? This morning - eating fine
How big is the tank/pond/enclosure? 100 gallon Rubbermaid stock tank
Is the tank near a window? No
Is the tank in a room with a lot of activity? No
Have you read the Basic Care section? Yes
Have you searched the forums for similar situations? Yes, have done lots of reading on this forum/website as well as others
Is there any other unusual activity/symptoms? No
Any help and advice provided to aid me in getting her her health back is very much appreciated.

