Frequently Asked Questions about CLR and Tarn-X

Select the product below to get answers to your most pressing questions.

CLR's complete product line

Drain Opener

With CLR's array of cleaning solutions, understanding application and ingredients is key. Below are FAQs addressing common concerns and usage instructions for our products. Ensure optimal results by familiarizing yourself with these guidelines.

How far down will Drain Opener work on a clog?

50’ down a 1.5” diameter pipe, 40’ down a 2” diameter pipe, 35’ down a 3.5” diameter pipe, 25’ down a 4” diameter pipe, 18’ down a 5” diameter pipe

Will Drain Opener harm my pipes?

Even with the capability of cleaning a blockage up to 50 feet away, you can be assured that any sound plastic or metal pipe will not be subject to danger.

How does Drain Opener work?

Drain Opener is a compressed gas. When the formula in the can is released and comes in contact with water in your drain, it expands rapidly, creating a standing wave. It uses the water in your pipe as a battering ram pushing the blockage through and cleaning the walls of your pipes.