Some time ago, my 5ft tank of many, many years started to leak spontaneously...... It was only when I dissembled the tank that I noticed that my Amazon Sword plant developed a root structure which actually penetrated underneath the silicon sealer holding the back glass in place, which caused the tank to leak.
So, in my opinion..... if you do have an Amazon in your tank, trim the roots regularly and/or plant it in the centre of your tank to keep it away from the edges where the silicon is.
So, in my opinion..... if you do have an Amazon in your tank, trim the roots regularly and/or plant it in the centre of your tank to keep it away from the edges where the silicon is.