Do not buy this product
I bought this product directly from Instantly Fresh (not through Amazon). It arrived with 5 puny tablets (1 crushed) inside a clear wrapper with no box, no instructions, no ingredient list etc.  I used one tablet and it did nothing. I contacted them about a refund because they had a "90 day money back guarantee".  I would have to ship the product back and they would "process your refund as per our refund policy" or they offered me a 25% discount off my original order.  I told them neither was acceptable, and they offered me 50% off my original order, which I took just to be done with them. I will never purchase them again. When I had placed the original order it was on my phone and it signed me up for an $11 per month VIP program (did not ask if I wanted to join, must have been set as the default option).  They claim they are the "#1 selling washing machine cleaner", which I'm sure it not true.  Do not waste your money, and beware of the company that sells these.
Rating: 1 stars