I picked up a 125g aquarium for free the guy that gave it to me stated he used it for turtles for years and did not know if it held water, but it did years ago when It was used as an aquarium. I have 2 question.1st. Is it ok to place aquarium on smooth concrete garage floor to fill it and see if it holds water? reason I don't have a stand yet...2nd. There is a crack in upper bracing plastic trim along the top see pictures will this be a problem when tank is filled and if so what's the best way to try to fix it. thanks Mike

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