my leaky 90 gallon

[mycat99]

i bought a new 90 gallon tank from a large lfs here in calgary .i have had the tank with water in it for just over 2 months and moved all my stuff from smaller tank to it .i came home today to find tank was leaking and after 4 hours of cleaning up mess and puting all my stuff in sump/hospital tank i when to als to complain .they told me the warrinty on tank was void because i told them tank was salt water and they would not fix or replace it .right now i can peal about half of the silicone off one side of tank .is there a easy way to re silicone a tank of better just to buy a new tank somewhere else?