The patented Torque Lock Staple is the only product available in the world that puts a controlled compression around a crack and resists the pressure that causes the crack to open up. By applying this compression, cracks refuse to spread, widen or shear. When you just put epoxy in the crack, that epoxy will fail as the crack widens, and it will widen without an opposing compression to keep it in place. Epoxy is a band-aid, Torque Lock Staples are a permanent repair that will save your pool for a lifetime of pleasure.
Where some contractors recommend tearing through the shell and installing rebar, then filling in the hole with cement – this works against your goal of having a leak free pool. The entire area where they dig that hole is now subject to leaking in the short term, and will eventually erode and leak along the entire area where they’ve cut through the pool shell. Don’t do it! In the end, you’ll wind up throwing that pool away, this doesn’t need to happen.
Just using rebar staples will also lead to future failures. Because rebar doesn’t compress on the crack, the crack will open up, leak and also continue to erode, causing further damage to the shell and costing more to keep fixing over and over until the pool is simply beyond repair. This is why Torque Lock was created – to overcome the shortcoming of all repair methods that don’t apply a controlled compression.