its going to be used inside the tank i know its ok just not sure what one
They make a high expansion and low expansion type. Get what you need. The high expansion will push very hard against any sides it comes in contact with. Not really an advisable situation for working with glass.
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They make a high expansion and low expansion type. Get what you need. The high expansion will push very hard against any sides it comes in contact with. Not really an advisable situation for working with glass.