Unclog any drain

Several sources suggest that the Friday after Thanksgiving is the busiest day for clogged drains. It makes sense I suppose. "This Old House" provides the DIY instruction for getting your drains back in order...

This Old House • Clear Any Clogged Drain

Clog-Free Traps

Here's a nifty new item From PF Waterworks if you have problem drainage...

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Got drain problems?

This Old House has some very useful tips for unclogging drains.
Drainage Fixes