We would highly recommend all koegel plumbing services without hesitation! I think some folks here may just be impatient....when i use with warm water and let sit overnight, it does a great job on my sinks and bath. It is below the dignity of my page to put a plumber on it, yet i have endured occasions! We can provide a quote for the remedial work required to get you flowing again. Awesome hub with really useful tips thanks.