Draco Posted May 20, 2016 Share Posted May 20, 2016 How can I tell if an aquarium is tempered or not? Link to comment
BoxKing Posted May 20, 2016 Share Posted May 20, 2016 Knock on it 5 times, and if you get 2 in return... its not tempered. Link to comment
jamescstein Posted May 20, 2016 Share Posted May 20, 2016 polarized sunglasses. You'll see dark bands in tempered glass. Link to comment
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