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Can I use Bathroom & Shower Cleaner on the toilet bowl?Updated 6 hours ago

TL;DR: Yes, above the waterline. Bathroom & Shower Cleaner handles the seat, lid, rim, under-rim, bowl walls, base, and outside of the toilet. For below the waterline (where the product would be diluted and flushed away), use Loo Cleaner Tabs instead. Scrub with Loo Blade, flush, and you're done.

Last reviewed: April 2026

Koh Bathroom and Shower Cleaner
Koh Loo Cleaner Tabs effective

How do I clean the toilet bowl above the waterline?

Spray Bathroom & Shower Cleaner onto the seat, lid, rim, under-rim, and the bowl walls above the waterline. Let the foam sit for a few minutes to break down grime. Scrub around the bowl and under the rim with Loo Blade. Wipe the seat, lid, and outside of the toilet with a damp cloth. Flush. This method handles everyday cleaning and light build-up in one pass.

✓ Above the waterline, 4 steps

1

Spray the bowl. Seat, lid, rim, under-rim, and bowl walls above the waterline. Cover the area.

2

Let the foam dwell. A few minutes to break down grime and any mineral staining.

3

Scrub. Loo Blade around the bowl and under the rim. Damp cloth for the seat, lid, and exterior.

4

Flush. Clears any rinse water and loosened grime from the bowl.


What about below the waterline?

Use Loo Cleaner Tabs instead. Spraying Bathroom & Shower Cleaner into the water below the waterline just dilutes the product, so it doesn't do much. Loo Cleaner Tabs are designed to sit in the water, dissolve slowly, and release active cleaners (including oxygen bleach and enzymes) exactly where you need them. Drop a tab in, let it soak (10 to 15 minutes for light soil, overnight for heavy), scrub with Loo Blade, flush.

✓ Below the waterline

Drop a Loo Cleaner Tab into the bowl. Let it soak (10 to 15 min light soil, overnight for heavy build-up). Scrub with Loo Blade. Flush. Designed to work in water, where BSC can't.

Loo Cleaner Tabs Soak & scrub Oxygen bleach + enzymes

How do I get a full bowl clean?

Combine both products. Drop a Loo Cleaner Tab in to soak while you work on the rest. Spray Bathroom & Shower Cleaner on the seat, lid, rim, under-rim, and exterior. Let both dwell for 10 to 15 minutes. Scrub everything with Loo Blade (above and below the waterline). Wipe the exterior with a damp cloth. Flush. That's the full toilet clean in one session.


Koh Loo Cleaner Tabs

Finish the bowl

Loo Cleaner Tabs for below the waterline, plus Loo Blade for scrubbing.

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