Unclogging Toilet Drains (DIY Guide)

A clogged toilet is one of those problems you want solved fast. The good news is that most toilet clogs can be cleared safely at home with the right tool and the right method—without turning your bathroom into a disaster.

This guide walks you through the most reliable ways to unclog a toilet drain, what to avoid, and how to know when the issue is bigger than the toilet itself.

Before You Start: Prevent an Overflow

If the water level is high, do not flush again. One extra flush can turn a clog into an overflow.

1. Turn off the water to the toilet using the shutoff valve behind it (turn clockwise).
2. Lay down a few towels around the base.
3. Put on gloves if you have them.
4. Keep a bucket nearby in case you need to remove water from the bowl.

What Usually Causes a Toilet Clog?

Most toilet clogs come from one of these:

• Too much toilet paper (soft blockage)
• Non-flushable items (wipes, paper towels, hygiene products, toys, etc.)
• A deeper drain-line issue (especially if other drains are slow or gurgling)

What You’ll Need

Best tools for unclogging a toilet drain

• Flange plunger (toilet plunger)
• Toilet auger (also called a closet auger)

Helpful extras

• Rubber gloves
• Towels
• A small bucket
• Flashlight

Method 1: Use a Flange Plunger (The Most Common Fix)

A toilet clog usually clears with a proper plunge. The key is creating a tight seal and using pressure correctly.

Step-by-step

1. Make sure you’re using a flange plunger (it has a flap that fits into the toilet drain opening).
2. Check the bowl water level. The plunger needs water to work. If the bowl is too low, add a little water from a bucket.
3. Place the plunger over the drain and press down gently first to seal (avoid splashing).
4. Plunge firmly 10–20 times, keeping the seal tight.
5. Pull up sharply at the end to help break the clog loose.
6. Test with a cautious flush. If you shut the valve off, turn it on briefly to test.

If it’s still clogged: If two or three solid rounds of plunging don’t work, move to the toilet auger.

Method 2: Use a Toilet Auger (Best for Stubborn Clogs)

If plunging doesn’t work, the clog may be deeper in the trap or caused by a non-flushable item. A toilet auger is designed to follow the curves inside the toilet without damaging the porcelain.

Step-by-step

1. Insert the auger tip into the drain opening and keep the protective sleeve against the bowl.
2. Turn the handle clockwise while feeding the cable in.
3. When you feel resistance, don’t force it—work it gently back and forth.
4. Retract the cable slowly.
5. Test flush carefully.

If you pull up an object: Dispose of it safely and flush again to confirm full flow.

Method 3: Dish Soap + Hot Water (For Soft Paper Clogs)

Use this method only if the bowl is not close to overflowing.

1. Add a small squirt of dish soap into the bowl.
2. Pour hot (not boiling) water from a bucket into the bowl (waist height helps create force).
3. Wait 10–15 minutes.
4. Try plunging again.

Important: Avoid boiling water. In some situations it can crack porcelain.

What NOT to Do

• Don’t keep flushing. More water increases overflow risk.
• Don’t use chemical drain cleaners. They can damage plumbing components and become dangerous if you need to plunge or snake afterward.
• Don’t use a flat sink plunger. It rarely seals well on a toilet drain.

How to Tell If It’s a Bigger Plumbing Problem

If any of these are happening, the clog may be deeper in the drain system:

• Multiple drains are slow (sink, tub, shower)
• You hear gurgling from other fixtures when flushing
• You have repeat clogs every few days or weeks
• Water backs up in another drain when you flush

In these cases, the problem may be in the branch line or main line, not just the toilet.

When to Call a Plumber

Call a professional if:

• The toilet is overflowing or repeatedly backing up
• Multiple fixtures are backing up
• You can’t advance the auger and it stops dead
• The clog clears but returns quickly
• You suspect a main line blockage

Sometimes calling a pro sooner saves money by preventing water damage and repeated failed attempts.

Preventing Future Toilet Clogs

• Use less paper per flush (especially in older homes)
• Never flush wipes (even ones labeled “flushable”)
• Keep small objects away from the toilet (especially with kids)
• If clogs happen often, consider a bidet attachment or evaluate for a deeper drain issue

Frequently Asked Questions

Why won’t my toilet unclog with a plunger?

Most often it’s because the wrong plunger is being used (flat sink plunger), the seal isn’t tight, or the clog is a hard blockage that needs an auger.

What’s the best tool to unclog a toilet drain?

A flange plunger is best for most clogs. A toilet auger is best for stubborn clogs or when you suspect an object.

Can I use drain cleaner to unclog a toilet?

It’s not recommended. Chemical cleaners can damage plumbing parts and are dangerous if you need to plunge afterward.

How do I know if my main line is clogged?

If multiple drains are slow, you hear gurgling, or you get repeated backups, the issue may be in the main drain or a shared branch line.