You can buy a flimsy plastic joke plaque for pocket change or invest in a heavy-duty metal sign that survives decades of summer storms. I compared these two options and read through buyer feedback so you do not have to guess which one holds up. In my view, the differences matter far more than the punchline. Let us see how these novelty warnings stack up.
| Best For | Product | Name | Score | |
|---|---|---|---|---|
| best For Durability |  |
SmartSign 14 x 10 inch Funny “Warning – This Pool Is Equipped With Urine Detector” Metal Sign, 40 mil Laminated Rustproof Aluminum, Blue, Black and White, Made in USA | 9.8/10 | View on Amazon |
| best For Humor |  |
Funny Pool Sign, This Pool is Equipped with A Urine Detector Sign, | 8.2/10 | View on Amazon |
1. SmartSign 14 x 10 inch Funny “Warning – This Pool Is Equipped With Urine Detector” Metal Sign, 40 mil Laminated Rustproof Aluminum, Blue, Black and White, Made in USA
This model earned the top spot in my ranking simply because of its commercial-grade durability. While cheaper alternatives bend and fade within a single season, the 40 mil rustproof aluminum construction protects your investment against harsh sun and chlorine splashes.
I would rank this first for any permanent outdoor setup. You get pre-punched mounting holes that make installation straightforward on fences or brick walls.
Buyers consistently praise the thick aluminum build that resists bending in high winds.
Reviewers note that the laminated finish prevents text from fading under direct sunlight.
Customers appreciate the pre-punched holes for quick and secure mounting.
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2. Funny Pool Sign, This Pool is Equipped with A Urine Detector Sign,
This option suits homeowners who want a temporary laugh without paying for heavy-duty hardware. It serves as a lighthearted backyard prank rather than a permanent fixture of your patio decor.
I find the design effective for breaking the ice at summer parties. You should expect a lighter material weight here, which means bringing it indoors during winter storms is wise.
Users find the humor hits the right note for casual pool parties.
Feedback indicates the lightweight profile requires careful placement on fragile surfaces.
Buyers mention it makes an inexpensive gag gift for new pool owners.
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Choosing Between Them
My top recommendation is the SmartSign rustproof aluminum model for its superior weather resistance, though keep in mind that neither product actually detects pool chemistry. I would direct permanent homeowners toward the durable metal sign for lasting outdoor performance.
Casual hosts looking for a quick party laugh will prefer the lightweight humor option, provided you do not mind replacing it sooner. Keep your local climate in mind before committing to a permanent fence fixture.
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