Kill 99.9% of household germs! [Staphylococcus aureus (Staph), Salmonella chloeraesuis and Influenza A2]. Bleach free. Contains no phosphorus. Refill for Clorox ReadyMop mopping system. This cleaner is a specially designed no-mixing, no-rinsing solution for use with the Clorox ReadyMop mopping system. Use of any other cleaning solution not certified by the Clorox ReadyMop mopping system (including other Clorox products) may cause clogging or other damage to the mopping system and may void your limited warranty. Made in the U.S.A.