A powerful solution to clogged drains! double trouble for the blocked drains! Thank you for the clear and practical advice it’s saved me stress, time and money! You can visit this url using a browser or a terminal to run your r function and get the results for instance. We have been cleaning drains in fontana for over two decades the most common drain clogs are kitchen sinks and main drain sewer stoppages, we have seen it all, and can.