OK! My scrarlet molt two times so far since sept, but the last time( 3 weeks ago) he''s orange and show no sign redish.

My PH is 8.2
Gravity: 1.023
amo : 0
trat :0
trit :0
temp :80

HA yes, and these some sort of worm on his shell, very small withe tube(solide) and feeder....very small. Might they sucking energy from him.