Cap the end and plugged the small hole.cleaning was great and very easy .the kit Does a great job.well worth the money.
Cleans very well perfect set i recommend just keep in mind that some bongs are lil big for the caps where they can pop off but just hold it an it will be fine
Haven’t had any trouble making my pieces look brand new with this product, very pleased !!
Loved the multiple sizes to clean all pieces
My husband loves this product