🚿

How to Use a Bum Gun

The guide every tourist in Southeast Asia needs but nobody gives them. Your hotel won't explain it. Google is weirdly unhelpful. We got you.

Teach Me

The Situation You're In Right Now

The sign on the wall

"Please do not throw paper in the toilet."
Okay. Sure. But you've just done your business, you're holding toilet paper that has seen things, and the sign offers zero guidance on what to do instead.

The mysterious device

Next to the toilet, there's a small sprayer attached to a hose. It looks like the thing you use to rinse dishes. That, friend, is a bum gun — also known as a bidet sprayer, health faucet, or "that thing I'm terrified of."

Why you can't just ignore it

Southeast Asian plumbing is not built for paper. Pipes are narrow. Septic systems are different. Flushing paper will clog the toilet. You will flood the bathroom. The staff will know it was the foreigner. It's always the foreigner.

The 6-Step Protocol

From confused tourist to enlightened sprayer in under a minute.

        YOU (seated)
          |
    ┌─────┴─────┐
    │  TOILET    │
    │            │  ←── spray direction:
    │    🧍‍♂️     │      FRONT to BACK
    │            │
    └────────────┘
          │
     ───[🚿]─── bum gun
          │        (mounted on wall
       [valve]      to your right,
          │         usually)
     ── water ──
        

Tactical overview. Not to scale. Obviously.

1

Stay seated. Do not stand up.

This is not a standing activity. You're going to spray water at your undercarriage, and gravity is either your friend or your enemy here. Stay on the toilet.

2

Grab the sprayer with your dominant hand.

It's usually mounted on the wall to your right. Pick it up like you mean it. Confidence matters.

3

Do a test spray into the toilet bowl first.

Squeeze the trigger gently, aiming into the bowl. This tells you two things: how much pressure there is, and whether the nozzle is pointing where you think it's pointing.

⚠️ Some bum guns have the water pressure of a fire hose. Others barely drip. Always test first.
4

Reach behind, aim, and spray.

Lean slightly forward. Reach behind with the sprayer. Aim at the target area and spray front to back. Use short bursts. You're cleaning, not pressure-washing a driveway.

5

Pat dry with a small amount of paper.

You're now clean — just wet. Use a few squares of toilet paper to pat dry. This is the only paper involved, and it's barely used.

6

Put the paper in the bin. Not the toilet.

See that small trash bin with a lid? That's where the paper goes. Yes, it feels wrong at first. No, it doesn't smell — you barely used any paper and you're clean. It gets emptied daily.

Rookie Mistakes

💥

Full trigger squeeze on first try

You will spray the ceiling, yourself, and possibly the person in the next stall. Ease into it.

🧍

Standing up to spray

Water runs down your legs, pools on the floor, soaks your pants around your ankles. Sit. Down.

📜

Using the bum gun AND full paper

The bum gun replaces paper. You pat dry with a tiny amount. You don't need both at full capacity.

🚽

Flushing paper anyway

"Just this once" is how every clogged toilet story begins. The bin is right there. Use it.

🔫

Aiming forward instead of back

Front to back. Always front to back. Anything else creates problems that this website is not qualified to address.

😶

Not putting the sprayer back

If you leave it dangling with the trigger depressed, it slowly floods the floor. Hang it back on the holder.

Pro Tips (Level: Resident)

Warm water hack: In nicer bathrooms, there's sometimes a valve under the sink that controls water temperature to the sprayer. Look for it. Your experience improves dramatically.
The left hand convention: In many Asian cultures, the left hand is traditionally the "cleaning hand." This is why you'll notice people eat with their right hand. When in doubt, spray with your right, and wash both hands very well after.
Dress code: If you're wearing shorts or a skirt, you're fine. Long pants? Pull them up above the knee before starting. Wet trouser legs are the mark of a beginner.
Public restroom survival: Some places only have a bucket and a scoop instead of a sprayer. Same principle — scoop water, pour, clean. It's older tech but it works.
🧘

The Moment of Enlightenment

Here's the thing nobody tells you: once you've used a bum gun for a week, you'll never want to go back to dry paper. It's cleaner. It's faster. It uses less paper. It's better for plumbing. You'll go home and seriously consider installing one.

Billions of people across Asia, the Middle East, and parts of Europe have known this for centuries. You're not downgrading. You're catching up.

Fun fact: The average person uses about 100 rolls of toilet paper per year. A bum gun uses a cup of water per session and a fraction of the paper. Your plumber, your wallet, and the planet will thank you.

Know someone heading to Southeast Asia? Send them this.