Have you been experiencing the unpleasant drain smell drifting through the house? Maybe it’s coming from the bathroom or the laundry or somewhere near the kitchen sink….as a solution you clean the area, pour some hot boiling water down the drain and think nothing more of it….then, a day or two later, the smell is back!

For Adelaide homeowners, spring can be a good time to notice plumbing issues that have been sitting unnoticed through winter as with warmer weather, changes in how often drains are used and built-up debris can all contribute to unpleasant smells. But before reaching for a bottle of drain cleaner it’s worth finding out where the odour is coming from.

The Bathroom Drain Might Be the Culprit

Bathrooms are one of the first places to investigate when a nasty drain smell appears. Hair, soap residue and everyday grime collect inside the shower drain over time. There is another possibility, too. Every household drain should have a water seal that helps stop sewer gases from entering the home. If a floor waste or rarely used drain dries out, that barrier can disappear. This is fairly common in guest bathrooms, spare ensuites and floor wastes that don’t see much use. Try running water through the drain. If the smell persists the problem may be further down the pipe or related to the plumbing itself.

Why Does the Kitchen Sink Smell Worse in Spring?

A kitchen sink doesn’t need to be visibly blocked to smell bad. Grease, food scraps and detergent residue can cling to the inside of the pipe, particularly around the trap beneath the sink and you might notice the odour most when the weather warms up or after the sink has been left unused for a while. A quick rinse can wash away surface debris but it won’t necessarily remove the build-up inside the pipe.

Avoid trying to fix everything by pouring boiling water or strong chemicals down the drain because such items can harm plumbing parts and won’t fix issues brought on by a broken pipe or bad connection.

If the smell keeps returning, an inspection by an Adelaide kitchen plumber can help establish whether you’re dealing with a simple build-up or something more serious.

Could the Smell Be Coming From Outside?

If the smell is coming from outside it might get harder to pinpoint the exact location as sometimes the strongest drain smell isn’t coming from inside the house at all.

Check outdoor gully traps, inspection openings and drains around the property as fallen leaves, garden debris and other material can collect around drainage points while damaged pipework may allow unpleasant gases to escape.

In established Adelaide suburbs older properties may also have ageing plumbing that needs attention. Tree roots, cracked pipes and deteriorating joints can interfere with drainage and, in some cases, contribute to sewer odours. A smell that becomes noticeable near an outdoor drain, especially alongside slow drainage or gurgling noises, shouldn’t be ignored.

When Is a Drain Smell a Plumbing Problem?

Watch for:

• Slow-draining sinks or showers that seem to be getting worse.
• Gurgling sounds when you flush the toilet or empty a sink.
• Sewage smells that linger despite cleaning.
• Water backing up through floor wastes or other drains.

These signs can indicate a partial blockage, a problem with the drain’s water seal or an issue with the sewer line and the right fix depends on the cause, which is why guessing can waste time and money.

Get to the Bottom of Drain Odours

If your home has started smelling like a drain this spring, don’t just cover up the odour. Find out where it’s coming from as a persistent drain smell isn’t something you should have to put up with, especially when it starts affecting your kitchen, bathroom or living areas. Leave drain issues to the experts. Contact our professional plumbers at aba PLUMBING + GAS today to schedule a hassle-free appointment.