Hi I'm Makayla Im kinda new to bass I started playing in my schools orchestra this past september and I am now the third best bass player out of seven. I just got a lightly used bass with a brand new bow. I use pops and Sherman's rosin. Starting the other day I notice that when I played some of the notes (usually the higher ones ex. G string) it was scratching a little bit or just like super high. Not normal even if I was playing sharp or it was out of tune. Just to make sure it wasnt b/c I didn't have enough rosin I put more w/ no difference. Does anyone know if it's the strings or the rosin? Or maybe how I'm cleaning the strings? I wasn't sure if the strings would rust or get ruined by water so I just wipe them down w/ a dry rag/paper towel. Please help!