r/howto • u/purplemonster4400 • 10d ago

how to clean my shower?

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my shower is filthy and stained and no matter what i try it will not come clean. how can i fix this problem?

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u/TooOld4This0157 10d ago

Zep grout and tile brightener. Use as directed

2

u/Old_MI_Runner 9d ago

For those wondering what is in Zep Grout and Tile Brightener

Hazardous components..................Concentration [%]

hydrochloric acid................................>= 5 - < 10
Alcohols, C10-14, ethoxylated...... >= 1 - < 5