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

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

🌈0-500 ppm color range for precise sanitizer levels

📏15 ft roll length for extended use

⏱️10-second quick dip test for instant results

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Description

🧼 Stay spotless, stay compliant — test smarter, not harder!

EXTENDED 15 FOOT ROLL - Long-lasting supply ensures you never run out during critical sanitation checks.
DURABLE PROTECTIVE CASE - Water-resistant packaging with serrated edge for easy strip dispensing on the go.
BROAD 0 500 PPM DETECTION - Accurately measures sanitizer concentration across the full compliance spectrum.
INSTANT 10 SECOND RESULTS - Rapid dip-and-read test strips save time in fast-paced environments.
REGULATION READY COMPLIANCE - Meets Federal, State, and Local health standards to keep your business audit-proof.

The Hydrion QT-40 Quaternary Sanitizer Test Tape is a professional-grade, easy-to-use solution for measuring quaternary ammonium sanitizer concentrations from 0 to 500 ppm. Packaged in a durable 15-foot roll with a protective case, it delivers fast, reliable results in just 10 seconds, helping restaurants, bars, and daycares maintain strict sanitation standards and regulatory compliance effortlessly.

Specifications

ASIN	B008BMCLNI
Best Sellers Rank	#2,176 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #24 in Lab Consumables
Brand Name	HYDRION
Customer Reviews	4.7 4.7 out of 5 stars (2,556)
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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