The bends and twists of the pipes beneath bathroom sinks coupled with the dark, wet conditions in the pipe create an environment ripe for the growth of moulds. Black-, rust- or green-coloured slime may appear inside the sink pipe and often around the rim of the sink drain. You can remove sink pipe slime by first removing the sink plug, then scrubbing and applying a chemical to clean the drain.
- Skill level:
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Things you need
- Liquid dish detergent
- Rubber gloves
- Scrub brush
- Paper towels or cloth towel
- All-purpose cleaning spray
- 1 cup baking soda
- Wire hanger
- Drain or bottle brush
- Drain-cleaning chemicals
Fill a bucket with hot tap water mixed with liquid dish detergent to create suds. Place in the bathtub.
Go beneath the sink and locate the metal arm connected to the drain plug through the pipe's u-bend. This is often a bracket with vertical holes with a thinner metal bar running through a hole. According to Blocked Drains website, you can unscrew the nut connecting the arm to the plug with your fingers or pliers. Pull the arm or metal bar away, freeing the drain plug.
Put on rubber gloves. Pull the drain plug up and out of the drain. Put the drain plug into the bucket of suds to soak for about 15 minutes.
Scrub the plug with a scrub brush to remove slime. Dry with paper towels or a cloth towel and set aside.
Spray the pipe and surrounding rim with all-purpose cleaner. Pour 1 cup of baking soda into the drain. Allow the cleaner and soda to soak for about 10 minutes.
Bend a wire hanger straight. Bend the hook portion so that it is straight with a slight hook at the end; use pliers if you need to. Insert the hook into the drain and fish out any debris. According to Blocked Drains website, cleaning the drain of hair and debris helps a lot to unblock pipes. Mold and slime cling to these clogs.
Insert a drain or bottle brush into the drainpipe and scrub up and down vigorously.
Rinse the pipe with hot tap water. Continue scrubbing until all visible slime has been removed from the pipe. The mould and slime more than likely penetrate deeper into the pipe than you can see. Clean all that you can reach.
Pour the manufacturer's recommended amount of drain-cleaning chemicals into the sink pipe and allow the chemicals to dissolve the mould and slime in the pipe. Consult the packaging of the drain cleaner to see how long you should allow the cleaners to soak in the pipe. Usually this ranges from 6 hours to overnight.
Rinse the drain with tap water. Clean the sink with all-purpose cleaner and a sponge. Reinstall the drain plug beneath the sink, screwing the nut back into place on the metal arm or bracket.
Tips and warnings
- Examine the interior of the faucet to make sure slime isn't growing there as well. A drain or bottle brush inserted into the faucet cleans mould growth well.
- Always keeps cleaners and chemicals out of the reach of children and pets.
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