DSB blacking along edges down deep

I've been noticing some growing black patches (as well as some orange ones) along the glass towards the middle and bottom of my DSB. Should I be worried?
 
Okeedokey. I got worrried because it just started to appear after some calurpera went sexual. I figured it was a reaction, and something bad was about to errupt from deep below!
 
@Darby wrote:
Okeedokey. I got worrried because it just started to appear after some calurpera went sexual. I figured it was a reaction said:
Only if you scrape it clean or disturb those layers.
 
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