If you are purchasing mostly used aquariums how do you tell if they are tempered glass or not? Also do most tanks just use the tempered glass on the bottom or the whole tank?
Purchasing used aquariums and tempered galss
- Thread starter Charney
- Start date
There is a way used a light source and polarized sunglasses. YouTube has great videos showing the process.
Or the easiest way is to try drilling them...
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Depends on size of tanks to have tempered glass... If used sometime previous owner wouldn't take out the tag the manufacture has slip into the braces. Either way I would NOT DRILL to find out if tempered or not unless u want to through out the tank in the process. And yes to be safe back of tank with elbow is the way to go"drill".. good luck.
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+1 polarized glasses... when looking at it at an angle you'll see a repeating round spot pattern. Try it on a known piece of glass so you know what you're looking for. Your side car window will have it.
-1 drilling... even easier method is to just drop it! But not smart for testing and neither is drilling.
-1 drilling... even easier method is to just drop it! But not smart for testing and neither is drilling.
standard is always better than 90 elbow.. less restriction on water flowing down, unless going 1 size bigger...
tanks over a certain gallonage will be plate glass anyways (unless homemade), tempered glass would shatter under the pressure of larger tanks.
Tempered isn't as common as you would think. The only ones it is really common on is 55 gallons. After that, it is commonly only the bottom pane that is tempered. I would check to be sure.