Cleaning the shower and tub?!?!? I clean my shower at least possible once a week, but after...

I clean my shower at least possible once a week, but after a few days my shower/tub looks rusty and I can't get the bottom of the tub white individual in a few areas and I used everything. Any suggestions?!?!
Washing White sox near Bleach Hot thaw or...
Answers:    There is this stuff call CLR it comes in a gray bottle, it works in good health for hard hose down and rust stains. I have found the best style to clean soap trash and make your tiles shiny is freshly plain dish soap. Put some on a scrubby pad and wipe adjectives your tiles down, not hard, lately until it lathers, then rinse. I consider lemon works the best.
I accidentally ate bad a bowl beside clorox...
i got some great stuff at the dollar store that be great better than kaboom but they moved and I don't have any not here to tell you what it be BUT have you tried vinegar and baking soda?