What does it mean if your urine shows up purple on the strip?

If you are using this particular tape....QT-40, it is a sanitizer tape for testing sanitzer solutions, not a ph test tape for urine. If you are using a tape with a 5 to 9 range, then the reading should show the ph reading for your urine test result. Bluish purple is generally a higher alkaline reading on a 5 to 9 or 8 tape, depending on the tape you are using.

What does it mean if the test strip turned bright yellow?

There is not enuff sanitizer in the water

Do these have an expiration date? Any other Chlorine strips I have used in the past expire.

It is an industry best practice to follow the expiration date on test strips; however, in my experience they do seem to be effective well past the expiration date. If you are using these test strips daily, which you should, and you don't keep huge stockpiles, I wouldn't worry about the expiration date. Make sure they stay dry and throw them away if you see any discoloration. This applies to both qt-40 and chlorine test strips.

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Hydrion QT-40 Quaternary SANITIZER Solution Test Tape for Testing 0-500 ppm Ranges - QUAT Tape & Color Chart - Tests Quaternary Ammonium Sanitizer Solutions in Restaurants, Bars, Daycare - 15 Ft Roll

Product ID: 6969730

Details

Brand
HYDRION
Manufacturer
Day Dots AYSFH
Unit Count
1.0 Count

📏Measures 0-500 ppm sanitizer concentration

🧴Broad-range multi-quat sanitizer compatibility

⏱️Instant 10-second test results

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Description

🧪 Stay sharp, sanitize smarter—test like a pro!

REGULATION READY - Stay ahead of health codes with a trusted test tape that meets Federal, State, and Local requirements.
PRECISION AT A GLANCE - Accurately tests sanitizer strength from 0 to 500 ppm to keep your environment compliant and safe.
DURABLE USER FRIENDLY - Protected in a handy plastic case with serrated edge for easy strip tearing and on-the-go convenience.
SPEEDY SANITATION CHECK - Get reliable results in just 10 seconds—no waiting, no guesswork.
COST EFFECTIVE COMPLIANCE - Economical solution that prevents sanitizer overuse and waste, saving money while ensuring safety.

Hydrion QT-40 Quaternary Sanitizer Test Tape offers a fast, reliable, and economical way to measure sanitizer concentration from 0 to 500 ppm. Designed for food service and health-conscious environments, it ensures compliance with health regulations by providing instant color-coded results in just 10 seconds. Packaged in a durable case with easy-tear strips, this test tape is essential for maintaining optimal sanitizer levels and preventing costly overuse.

Specifications

ASIN	B008BMCLNI
Best Sellers Rank	#1,716 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #17 in Lab Consumables
Brand Name	HYDRION
Customer Reviews	4.7 4.7 out of 5 stars (2,539)
Item Weight	0.01 Kilograms
Manufacturer	Day Dots AYSFH
Material Type	Paper
Model Number	QT-40
Part Number	QT-40
Recommended Uses For Product	Measure the concentration of Quaternary Sanitizers, particularly muli-quat broad range quaternary ammonium sanitizer solutions or 4 - chain quats.
Test Type	["Quaternary Sanitizers, particularly muli-quat broad range quaternary ammonium sanitizer solutions or 4-chain quats."]
UPC	885338884962 747873030351
Unit Count	1.0 Count

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