It free of charge and give 10g to the person who wants to try to test a product.Method of test adds 1.0g in filthy water of 1l from 0.1g, and please stir it.Or when you weaken it with water of 10 times and add 10g from 1.0g and stir it, a result appears.Please send data with an email.Please push a transmission of a message button in a application filling in the following form with a name, a address, an email address.We test filthy water free if I have you send 2l.However, when there is not indication, it is popular, and contents ingredient of filthy water cannot refer it at this chance.
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