Citric acid for removal of deposits on glass

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Trillaman954

Trillaman954

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Got pictures?
Doing this now
IMG_6186.jpeg
IMG_6185.jpeg
 

Red_Beard

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That looks like coralline etching. If you run a razor blade over it does it remove anything? If no, then definitely etched. you will have to polish it out with jewlers rouge or let it be.
 

landlubber

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even with cerium oxide?
i've never gone that route but when a razor doesn't get rid of it i'm inclined to believe its etched into the glass.
another option that hasn't really been discussed is Mr. Clean magic eraser but i've never used one for an aquarium either.
 
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