an excellent job quickly and on budget highly recommended. fill your kettle to the maximum and set it to boil. first i want to say that i like this product because it has no harmful chemicals in it because of that i feel better putting it down my drain second, always having problems with our drains i wanted a product that would take care of my problem before it even starts lastly, it works great. while taking care of my nieces when my sister was out of town, the last thing i expected was a plumbing nightmare! i had just tucked the kiddos into bed and sat down to enjoy 