I recently bought a used 220 gallon tank, it was up and running when I bought it with NO active leaks. The guy I bought it from said it was about 10 years old and might need to be resealed in the future. I really don't want to completely dismantle the tank when it has no leaks. Should I redo the inside silicone without taking it apart or leave it be? There is only one side that I personally don't think looks the best but I need your opinions! The picture of the bottom doesn't show it very well but the top edge is starting to lift a little as well. Thanks
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