Does this roll come in something to protect it from light?

The roll is in foil inside the plastic case which is inside a box that you can keep it in.

Does it work to test cosmetics, like shampoo and conditioners?

It will likely work, however such things tend to have dyes in them. So I would suggest only placing this on one side of the paper and then reading the other side of the paper.

Can these be used to test vaginal pH?

The 325 tape would be better ranges for this type of testing. Do not use the tape internally. Take your cm sample and apply it to the tape and read the range. https://www.amazon.com/dp/B00D6ML83M?ref=myi_title_dp

how many tests will this product acheive?

Don't know exactly. Depends on how long strip you use for each test. I normally use less than an inch. Take care to make sure the ph of your fingers don't affect the results on the test strip. It could transfer over if your fingers are wet when you hold the test strip- Kent

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MicroEssential Lab Hydrion Ph Paper (93) with Dispenser and Color Chart - Wide Range of pH 0-13 Test Strips

Product ID: 729903351

Details

Brand
Micro Lab
Ph Range
0-13
Recommended Uses For Product
pH measurement
Manufacturer
Lab aysfh
UPC
730792962698

🎨distinct color match for each pH unit

📏pH range 0-13 for ultimate versatility

🧪accurate & reproducible instant readings

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Description

🧪 Unlock the full pH spectrum—because precision never goes out of style.

LAB GRADE PRECISION - Reliable and reproducible readings trusted by professionals across industries.
COMPACT CONVENIENT - 15 feet of test paper in a handy dispenser with an easy-reference color chart for on-the-go testing.
MULTI INDUSTRY READY - Perfect for labs, classrooms, food safety, agriculture, and emergency testing—be prepared for anything.
UNIVERSAL P H COVERAGE - Test any solution from acidic to alkaline with a single strip spanning pH 0 to 13.
INSTANT VISUAL CLARITY - Unique color coding for each pH unit ensures no guesswork—just quick, confident results.

MicroEssential Lab Hydrion pH Paper offers a wide 0-13 pH range with distinct color matches for each unit, delivering fast, accurate, and reproducible results. Its 15-foot roll with dispenser and color chart makes it ideal for diverse professional applications from labs to fieldwork.

Specifications

ASIN	B005FYGXUC
Brand	MicroEssential
Brand Name	MicroEssential
Item Weight	18 g
Manufacturer	MicroEssential Lab aysfh
Material Type	Reactive substrate with indicator dyes
Model Number	93
Number of Items	1
Part Number	FBA_93
Ph Range	0-13
Recommended Uses For Product	pH measurement in classroom demonstrations, hospital laboratories, general laboratories, industrial tests, food service, safety tests, emergency tests, agricultural tests, externity tests Recommended Uses For Product pH measurement in classroom demonstrations, hospital laboratories, general laboratories, industrial tests, food service, safety tests, emergency tests, agricultural tests, externity tests See more
Sterility Rating	0-13
UPC	730792962698 745462716334

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C$2877

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