Amazon.com: KIISIISO Multipurpose Bathroom Cleaners, 54 Pack Commercial & Household Toilet Bowl Cleaners, Blue Toilet Bowl Tablets Drop in Tank, Janitorial Deodorizers : Health & Household
The building I clean had me put in these blue toilet cleaner things to help with the rings forming but it's creating a blue ring. Any ideas? : r/CleaningTips
Blue Water = Bad, Very Bad Water - Allied Reddi-Rooter