Dammit

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Started stripping my sump and came across this.
18122007942.jpg


None of the silicone in the display tank is blue so should I just make a new sump?

If I pull the silicone apart it is blue all the way through. Can copper do that?
 

Mike

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Started stripping my sump and came across this.
18122007942.jpg


None of the silicone in the display tank is blue so should I just make a new sump?

If I pull the silicone apart it is blue all the way through. Can copper do that?
Copper is the most likely suspect, can you strip the silicone and redo it?
 
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Ok, just phoned the chap I got it from, he says its from the water conditioner and guarantees me no copper was ever used? What you think?
 

viper357

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I know some of the white-spot treatments can discolour the silicone to a bluish colour.
 

Kanga

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Looks like something I have used in FW Methylate Blue when I was younger, silicone went Blue, will have to ask Palmaer or Midasblennie whats in that
 
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Thanks, will give it a good wash. He said it was a tetra product, not sure which one
 

Alan

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Water conditioners, medications, copper can all discolour silicone.
 
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