Cleaned the whole tub for 45 mins or maybe it was an hour its still not fully clean but i dont think it would get any better if i tried im sweating so bad and i put a new curtain up for the shower and i scrubbed auper hard im provably going to be sore later and there wasnt any buckets to kept having to throw water to make the stuff actually wash down since.the thing i was useing was just an electric scrubber which no one charged of course but oh my god my back is gonna hurt so bad later but i worked really hard pls someone be proud nobody cleans the tub bro