Hydrogen Peroxide Test Strips

Bubble Your Bug Troubles

H2O2 Test Strips for Germ Safe

Greenhouses, Float Tanks, Hot Tubs

Hydrogen Peroxide Test Strips

Buy Indigo® hydrogen peroxide test strips for your disinfectant solution monitoring for food & beverages; pharmaceuticals; medical sterilization; aseptic packaging; industrial cleaning; & public health. We provide Certificates of Analysis & Stability & SDS Statements on-line; Certificates of Conformance on request.

Choose from 4 Indigo® H2O2 test strips for your specific disinfection & sanitizing needs. All Indigo® disinfectant/sanitizer test strips come with 100 test strips/vial and a minimum guaranteed 3 year shelf life (from date of manufacture). Our delivered costs beat "free" shipping"!

Optional next day delivery in any quantity of most items. Call us toll free at (877)746-4764 for immediate assistance (8-4 EST M-F). Emailed questions are typically answered within an hour.

Hydrogen Peroxide Disinfectant

Hydrogen peroxide is produced by our own immune system's white blood cells to eliminate invading micro-organisms. Excess peroxide is neutralized by enzymes such as catalase or super oxide dismutase (SOD) our own natural internal antioxidizers. It is used as a chemical disinfectant for its microbiocidal activity against bacteria, yeasts, fungi, viruses, and spores. Of the commonly used disinfectants, hydrogen peroxide may be more effective against Staphyloccocus aureus and Pseudomonas aeruginosa biofilms than quat chemical disinfectants.

Indigo® Hydrogen Peroxide Test Strips

  • 0-100ppm: 0-1-3-10-50-100ppm; read results in 10 seconds
  • 0-400ppm: 0-100-200-300-400ppm; read results in 30 seconds
  • 0-10000ppm: 0-500-1000-2500-5000-10000ppm; read results in 90 seconds
  • 2-10%: timed results ~ w/ concentration; confirm 30-35% food grade dilutions

Common Features of Indigo® H2O2 Test Strips

  • clear instructions with labelled color chart
  • indicators on high contrast plastic for accurate readings
  • stiff plastic strips ideal for dipping into tubes, etc.
  • 3 year guaranteed shelf life
  • Certificate of Analysis & Stability Statement, SDS online;
    Certificate of Conformance on request.

Note: All test strips Made in the USA & are Q/A'd against NIST standards.

Displaying 1 to 5 (of 5 products)

Hydrogen Peroxide 0-100ppm Test Strips

SKU: 33815-P100
$23.95USD or lower Each

Peroxide Test Strips, 0-400ppm H2O2

SKU: 33815-P400
$23.95USD or lower Each

High Level Peroxide Test Strips, 10000ppm

SKU: 33815-P10K
$29.25USD or lower Each

1-10%, Food Grade Peroxide

SKU: 33815-P10pc
$33.25USD or lower Each

Hydrogen Peroxide Calibration Kit

SKU: 33815-PCAL
$63.95USD Each
More Information

Hydrogen Peroxide Sanitizer-Disinfectant Basic Chemistry

Hydrogen peroxide disinfectant chemical structure

This hydrogen peroxide molecular structure model shows its 2 oxygen & 2 hydrogen atoms compared to water's 1 oxygen & 2 hydrogens. It is this extra oxygen atom which gives hydrogen peroxide its germ killing power on porous & non-porous hard surfaces .

Hydrogen Peroxide Water Treatment

H2O2 has a major advantage over chlorine in the treatment of water in that it does not produce THM (trihalomethane) disinfection byproducts like trichloromethane (chloroform) & bromodichloromethane. Hydrogen peroxide has a low freezing point and is highly water soluble. Oxygen is released by dissociation and helps prevent future production of sulfides by anaerobic bacteria as in the reaction: SO3 + H2O2 = SO4 + H2O.

Further, it is tasteless & odorless and quickly decomposes into just water & oxygen. This environmental friendliness makes it popular for use in industries as diverse as water treatment, mushroom growing, organic farmingfloat tanks & cooling towers. It is ideal for eliminating odors caused by naturally occurring bacteria and contaminants. 

Hydrogen peroxide is an effective dechlorinating agent and removes dissolved chlorine in concentrations from parts per billion to 1% (10,000 ppm) and more. The dissolved chlorine hydrolyzes to hypochlorous acid (HOCl) which in turn ionizes to hypochlorite (OCl).

Hydrogen Peroxide Advantages & Disadvantages

Pros

  • Broad-spectrum antimicrobial activity
  • Breaks down into water and oxygen, leaving no harmful residues
  • Effective at low temperatures
  • Less affected by organic matter than chlorine at comparable concentrations

Cons

  • Decomposes over time, especially when exposed to light, heat, or metal contaminants
  • Strong oxidizer that can irritate eyes, skin, and respiratory tract at higher concentrations
  • May be corrosive to certain materials and surfaces
  • Effectiveness decreases at elevated pH

Hydrogen Peroxide Usage Summary by Concentration Range

  • ~50–200 ppm hydrogen peroxide → food contact surfaces and packaging-related sanitation.
  • ~200–1,000 ppm hydrogen peroxide → non-food contact surfaces and routine sanitation applications.
  • ~1,000–5,000+ ppm hydrogen peroxide → disinfecting and controlled industrial or institutional applications.

More info in Blogs

Technical

How Does Hydrogen Peroxide Work?

Hydrogen peroxide is useful for isolator sterilization in hospital pharmacies and parenteral nutrition preparation units. When hydrogen peroxide dissociates, it produces hydroxyl free radicals that attack essential cell components such as bacterial membranes as well as damaging DNA. In high enough concentration, it overwhelms the catalases that aerobic & facultative anaerobes produce to protect them from oxidative damage.

Instructions/Safety

Warning: Failure to properly remove/rinse 3-6% hydrogen peroxide disinfectant from contact lenses & tonometers (optometric devices that measure intraocular pressure) can cause corneal damage.

Dilute Hydrogen Peroxide Safely

Use our hydrogen peroxide dilution calculator to take the guesswork out of diluting pharmaceutical or food grade hydrogen peroxide for use in sprays, spas, pools or hot tubs.

  1. Strength of your peroxide (%).
  2. Strength you want after dilution (ppm)
  3. How much you need to prepare.
  4. Press "Calculate"

It will tell you how much undiluted peroxide to mix with water.