question about yuma

yongpanda

New member
I have a metallic orange and blue yuma. Its been fading to a pale color. its on the bottom of my sandsend in an 18 gallon tank. 14 inches tall with 4x24 tek light. is this too much light or too little? what could be wrong?
 
your light/placement should be fine, what are you other parameters? Does everything else look good?
 
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