Originally Posted by Iwantlessstress
So my rebuild is slowly coming to the end. Winter is here in Canada and I decided to drain my tanks. I know that there was urine in there( the neighbors kids confessed to a break in. ) nothing there. Tank must be leaking. What are you using to stop leaks
Have you seen a leak or are you assuming you have a leak?
The kids took a leak in your tank, maybe it evaporated, or maybe they just didn't add enough liquid to reach the drain in the tank.
If you think you have a leak put some water in it and see for sure.