Plumbing Tool Smarts: How Handy Are You Really?

Why isn't your thread sealant stopping leaks?

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Correct Incorrect If the surface isn’t clean, the sealant won’t stick. Wipe it down first—extra sealant usually just squeezes out, and it works on plastic too.

Why isn't your thread sealant stopping leaks?

• The sealant is too fresh
• The pipe was dirty when you applied it
• You used too much of it
• The pipe is made of plastic