Changing FEP release film on Phrozen Shuffle XL Resin Vat using an installation gasket tensioner

How to replace the UV-clear FEP sheet of a resin tank from the Phrozen Shuffle XL 3D printer. Tuning tension with frequency analysis app and testing out a film holder and tensioner. Link to installation tensioner https://www.thingiverse.com/thing:3350368 Link to FFTWave app: https://play.google.com/store/apps/details?id=jp.gr.java_conf.ensoftware