What would I use to test if 3% H2O2 is still potent?

3% is 30,000 ppm, so NOT these 0-100 ppm test strips! You need Very High Level 2-10% test strips, which are available on Amazon.

While this product be able to measure a 7% solution of hydrogen peroxide?

This product will not be able to measure that high of a level of hydrogen Peroxide. What you should get instead is the Bartovation Food Grade Time Sensitive Very High Level Hydrogen Peroxide (h2o2) Test Strips, up to 10% Concentration (ASIN: B01CDX4ZB6). Those strips will help you know if your solution is approximately 7% because it will give you a reading in between 5% and 10%. Please let us know if you have any more questions or if there is anything else I can help you with! Best, Scott

How do i test 35% food grade hydrogen peroxide with your test strips. what ppm would i read on the container. what would i read if i reduced the 35%?

This product is designed to test residual (low level) peroxide, so, although it could be used to test food grade hydrogen peroxide, it would require a very precise dilution ratio that would be hard to achieve accurately. For testing food grade peroxide, I recommend using our "very high level" strip (https://www.amazon.com/dp/B01CDX4ZB6), where you would: mix 1 part 35% peroxide solution with 2.5 parts water to yield a concentration of 10%. If the color change is not immediate, then the initial concentration was not 35% (or a mistake was made in the dilution). Try other dilutions to zero in on the actual strength, e.g. 1:6 should give you 5%; etc.

I bought these for my pool, after putting 5 gallon of 35% h2o2 in a 25000 gallon pool water, the strip turns black, what does that mean?

As far as I recall the amount needed is 1 cup peroxide for every 250 gallons. Black is probably way higher than shades of blue that can register on strip; probably over 100 ppm.

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Bartovation Hydrogen Peroxide H2O2 Test Strips, Low Level, 0-100 Ppm [Vial Of 100 Strips]

Bartovation Hydrogen Peroxide H2O2 Test Strips, Low Level, 0-100 Ppm [Vial Of 100 Strips]

Product ID: 280483540

Details

Brand
Bartovation
Manufacturer
Bartovation
Recommended uses for product
Drinking Water
UPC
643845994921
Unit count
100.00 Count

💧0-100 ppm precision range

🧪Instant 10-second color change

🛡️100 strips with long shelf life

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Description

💧 Stay ahead of contamination—test smarter, live safer!

PRECISION YOU CAN TRUST - Accurately measures peroxide levels from 0 to 100 ppm for total water safety.
PROUDLY MADE IN THE USA - Quality you can count on, supporting local manufacturing and industry standards.
BULK SUPPLY MAXIMUM VALUE - 100 test strips in a compact, protective vial designed for frequent use and easy storage.
VERSATILE WATER MONITORING - Perfect for drinking water, pools, hot tubs, cold plunges, and float tanks—keep your wellness routine flawless.
INSTANT RESULTS ZERO HASSLE - Dip for 1 second, read in 10—no meters or reagents needed for on-the-spot testing.

Bartovation Hydrogen Peroxide H2O2 Test Strips offer a fast, reliable way to monitor peroxide levels from 0 to 100 ppm in various water sources. With 100 durable strips in a compact vial, these easy-to-use strips deliver instant color-coded results in just 10 seconds—no extra equipment required. Ideal for professionals and wellness enthusiasts alike, they ensure water safety in pools, hot tubs, and drinking water, all proudly made in the USA.

Specifications

ASIN	B01N49KQLQ
Brand Name	Bartovation
Customer Reviews	4.7 4.7 out of 5 stars (453)
Manufacturer	Bartovation
Model Number	PPX02V100
Number of Items	100
Part Number	PPX02V100-ML
Recommended Uses For Product	Drinking Water, Pools, Hot Tubs
UPC	643845994921
Unit Count	100.00 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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SAR 224

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In stock

Sold byAmazon KSADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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TrustScore 4.5 | 7,300+ reviews

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