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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Hydrion Ph Paper (93) with Dispenser and Color Chart - Full Range Insta Chek ph- 0-13

Product ID: 209537254

Details

Brand
Micro Lab
Manufacturer
MICRO LABS
UPC
730792962698
pH range
0.0-13.0

🌈Full pH range 0-13

📏15 feet test paper roll

⏱️Instant color response

€ 41.56

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌈 Master every pH moment with precision and speed!

GENEROUS 15 FOOT ROLL - Long-lasting supply to keep your lab or workspace fully stocked.
VERSATILE PROFESSIONAL USE - Trusted across labs, food service, agriculture, and emergency testing.
COMPLETE P H SPECTRUM COVERAGE - One strip, every pH from 0 to 13—no guesswork, just precision.
INSTANT COLOR MATCH TECHNOLOGY - Immediate, distinct color changes for fast, reliable readings.
USER FRIENDLY DISPENSER CHART - Effortless tear-off strips paired with an easy-to-read color chart.

Hydrion Insta-Chek pH Paper offers the widest single-strip pH range (0-13) with instant, accurate color matching for professional and educational use. Each 15-foot roll includes a dispenser and color chart, ensuring quick, reproducible results across diverse applications from labs to field testing.

Specifications

ASIN	B005FYGXUC
Best Sellers Rank	135,390 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 265 in pH Test Strips
Brand	Micro Essential Lab
Customer Reviews	4.6 4.6 out of 5 stars (6)
Item Weight	18 g
Manufacturer	MICRO LABS aysfh
Manufacturer Part Number	FBA_93
Material Type	PE_(Polyethylene), Paper
Model Number	93
Recommended Uses For Product	Classroom Demonstrations, Hospital Laboratories, General Laboratories, Industrial Testing, Food Service, Safety Testing, Emergency Testing, Agricultural Testing, In Vitro Testing
Sterility Rating	0.0-13.0
UPC	730792962698 745462716334

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