What is this black sludge? Janitor sink.
What Causes This BLACK GUNK on Aerators and Faucets?
Blocked Drain 267 - Rusty | Thick Black Sludge | Giving Old Gal Pipes New Life
秘密の配管工のトリック: 数秒で排水管の詰まりを解消 💥 (非常にシンプル) 🤯
How to Get Rid of Slime Growing in a Bathroom Sink Pipe
DRAIN CLEANING: WHAT GREASE LOOKS LIKE AND HOW TO GET IT OUT!
Hydro Pressure Bladders blast water into cloggs to clear sinks, showers, tubs, drains, gutters, more
Throw it in the sink and the drain will never clog again! 💥(Amazing)🤯
NEVER clear a BLOCKED Sink with baking soda and vinegar ! Use this instead!
How Pipes Are Professionally Cleaned and Relined | Art Insider
It cleans the drain better than a machine. The stench disappears
Drain Cleaning - Jet Blaster
Which Drain Opener is the Best? Let's Find Out!
How To Unclog/Clean Your Bathroom Sink Drain or Any Drain! QUICK AND EASY! (Baking Soda and Vinegar)
How to Unclog Any Drain | Ask This Old House
This clog was in my plumbing pipes!!!!
Does Baking Soda and Vinegar Work to Clear a Drain Clog? #shorts #diy #plumbing
Thick blocked drains | Sludge
How to Clear a Clog in Your Plumbing - How a $12 Tool Can Save you Hundreds of Dollars
Easy Way to Clear FAT Build up from Kitchen Sink(It Works)DIY Solution-Clear a Grease clogged Drain
