Answers
Aug 27, 2018 - 06:00 AM
Yes, you can leave the Commando in your black tank for a week. You shouldn't have any issues with it, it will just continue to digest the crud on the inside of the tank.
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Aug 27, 2018 - 06:00 AM
View all Walex CMDOBG Commando Black Holding Tank Cleaner Questions & Answers
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