Will this work to test hair products re shampoos, conditioners, etc.

maybe and maybe not.... i would just send a quick email to the product manufacturer & ask them 2 questions: 1- what is the pH of their product(s)? and 2- will these photo strips work on your product(s)?? Overall, i would say that if the product in question is a water based product, than the strips will be close but the other chemicals may mask or interfered with the true results....

the product claims '0-14' ph but I only see seven numbers [from the picture] to compare the test strip. Can someone clarify?

The other seven numbers are in the back side of the box that you can not see in the picture. It is correct from 0 to 14 pH.

Where are these strips made? are they made in usa? thank you.

These test strips are made in Germany.

there are no instructions. how do I use them?

* Immerse the test strip briefly (for approx. 1 sec) in the sample solution.* Subsequently, compare against the pH color chart supplied with the kit.* Read off the pH.

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SEOH ColorpHast 9590-3 Test Strips 0-14 pH (Box of 100) [Misc.]

Product ID: 7419759

Details

Brand
SEOH
Manufacturer
SEOH
Number of Items
100
Ph Range
0-14
Unit Count
100 Count

🌈Full pH range 0-14

🧪Non-bleeding covalent dye

⏱️3-5 sec rapid results

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Description

🌟 Master your pH game in seconds—because precision waits for no one!

INSTANT P H CLARITY - Get precise pH readings in just 3 to 5 seconds—no waiting, no guessing.
NO MESS NO STRESS - Special covalently bound dyes prevent bleeding, keeping samples pure and results reliable.
VERSATILE TRUSTWORTHY - Perfect for labs, classrooms, or on-the-go testing in weakly buffered or colored solutions.
COMPLETE SPECTRUM COVERAGE - Accurately measure pH from acidic 0 to alkaline 14 for every application.
BULK VALUE FOR PROFESSIONALS - 100 strips per box at unbeatable cost-efficiency—stay stocked and ahead of the curve.

SEOH ColorpHast 9590-3 Test Strips deliver fast, accurate pH readings across the full 0-14 range with a sensitivity of 0.5. Featuring covalently bound indicator dyes that prevent bleeding, these strips ensure contamination-free testing in labs, classrooms, or remote sites. With 100 strips per box, they offer exceptional value for professionals needing reliable, quick pH analysis.

Specifications

ASIN	B003TV3GTY
Best Sellers Rank	#99,512 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #155 in pH Test Strips
Brand Name	SEOH
Customer Reviews	4.3 4.3 out of 5 stars (116)
Item Weight	0.01 Kilograms
Manufacturer	SEOH
Material Type	Indicator Dye
Model Number	9590-3
Part Number	9590-3
Sterility Rating	0-14
Unit Count	100 Count

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₨1045

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In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

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TrustScore 4.5 | 7,300+ reviews

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