Hi, Im new to TFP I seen your post about the Sharkline pool I have the same pool and it has started to Rust ( Aluminum rust ) between the inner wall and liner and I have 4 Holes leaking water. The pool is less than 3 years old, so far the pool Company and distributor do not want to warranty. I was told it had a 65 year warranty BUT the warranty was not a Guarantee. Does anyone have any suggestions ? The installers did not lay down the plastic barrier underneath.. would this have been a necessary step that they missed ?