. . the bathtub without using the overflow cover .2. Once the overflow drain to let the water disclose, turn soured the water .3. region the bathtub and place the cover finished the overflow drain .4. up the water aim to the actual round top .... if you !. . your deeper bath!Helpful tips to prevent chance flooding : -RRB- 1. The overflow cover should never be while filling the bathtub unaccompanied .2. The cover is to work when the water region the vessel escapes through the overflow drain and creates a pressure differential gear .3. solely place the overflow cover once you are inwardly the bathtub and the water has to escape through the overflow drain.