We drilled a case of glass blocks and the rinse out process didn't work, there is still residue left inside. How do we get the cloudy residue out?
By Ma
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Crushed ice and salt swirled around the inside and then rinsed out. You can also use crushed ice and broken up egg shells.
Polident tabs or any other denture cleaning tabs that fizz and foam when you drop them in warm water are supposed to clean the old mineral buildup in vases ought to work for that. It's the same principle. Try dropping a few of those inot your glass block After adding some warm water. Good luck! I hope this helps.
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