Performed snaking to shower drain and pulled out hair as well as chunks of deglazing of bathtub. Turned shower and and everything was draining. While running water I noticed a few concerns. Issue 1. One being that the diverter to divert water between bathtub spout and shower head was not working properly and still allowing a large flow come out of tub spout as well as water coming out of shower head. This could also be contributing to the slow draining. The amount of flow and volume of water coming out of both tub spout and shower head at the same time is to much water for the 1.5” drain to handle leading to the drains slowly backing backing up after several minutes of the water being ran. Recommended replacing shower valve stem for diverter in order to address this issue Issue 2. When running cable snake I pulled out debris but was unable to pass cable past P trap of bathtub. The current waste and over as well as P trap are old and has a large amount of corrosion which could lea