How to Use Hydrogen Peroxide: Guides & Calculators

Guides & calculators

Every guide, calculator and free PDF

Step-by-step guides with mix calculators, quick charts and free printable PDFs, for everything from the pool to the laundry room. Pick a guide below.

Pools, hot tubs & cold plungesAround the houseGarden & growFree PDF guides
Start here · Free PDF chartsDilution calculatorTurn 3%, 6%, 12% or 35% into any strength you need, in cups, ounces, gallons or milliliters. Every guide on this page builds on it.Open the calculator →3% hydrogen peroxide12% hydrogen peroxide35% hydrogen peroxide

Pools, hot tubs & cold plunges

Dose calculators and charts for holding 50–100 ppm, with test strip guides.

How to Use Hydrogen Peroxide: Guides & Calculators 1CalculatorChartsFree PDFSwimming poolsGallons, dose chart and calculator for 12% or 35%, plus switching from chlorine.Open guide →How to Use Hydrogen Peroxide: Guides & Calculators 2CalculatorChartsFree PDFHot tubsHow much to add for your spa size, how to test, and keeping the level steady.Open guide →How to Use Hydrogen Peroxide: Guides & Calculators 3CalculatorChartsFree PDFCold plungesTiny doses for 60–150 gallon plunges, measured in ounces and tablespoons.Open guide →

Around the house

Spray bottle mixes and step-by-step cleaning and stain tips.

How to Use Hydrogen Peroxide: Guides & Calculators 4CalculatorChartsFree PDFHousehold cleaningMake a 3% spray from 12% or 35%, room by room tips and surfaces to skip.Open guide →How to Use Hydrogen Peroxide: Guides & Calculators 5CalculatorChartsFree PDFLaundry & stainsWasher booster amounts, a whites soak and stain-by-stain pre-treat steps.Open guide →

Garden & grow

Mild mixes for watering cans, seed soaks and hydroponic reservoirs.

How to Use Hydrogen Peroxide: Guides & Calculators 6CalculatorChartsFree PDFPlants & gardensWatering can and repotting mixes, plus cleaning pots, trays and tools.Open guide →How to Use Hydrogen Peroxide: Guides & Calculators 7CalculatorChartsFree PDFSeed startingSeed soak amounts for a cup at a time, soak times by seed type, paper towel method.Open guide →How to Use Hydrogen Peroxide: Guides & Calculators 8CalculatorChartsFree PDFHydroponicsReservoir doses for 25–50 ppm by tank size, and cleaning between grows.Open guide →

Free PDF guides

Printable charts and logs to keep by the pool, the sink or the potting bench. Free by email.

Hydrogen Peroxide Pool Guide PDF coverHydrogen Peroxide Pool Guide9 pages · by email (and text, if you like)Get the free PDF →Hydrogen Peroxide Hot Tub Guide PDF coverHydrogen Peroxide Hot Tub Guide9 pages · by email (and text, if you like)Get the free PDF →Hydrogen Peroxide Cold Plunge Guide PDF coverHydrogen Peroxide Cold Plunge Guide9 pages · by email (and text, if you like)Get the free PDF →Hydrogen Peroxide for Household Cleaning PDF coverHydrogen Peroxide for Household Cleaning5 pages · by email (and text, if you like)Get the free PDF →Hydrogen Peroxide for Laundry & Stains PDF coverHydrogen Peroxide for Laundry & Stains5 pages · by email (and text, if you like)Get the free PDF →Hydrogen Peroxide for Plants & Gardens PDF coverHydrogen Peroxide for Plants & Gardens5 pages · by email (and text, if you like)Get the free PDF →Hydrogen Peroxide for Seed Starting PDF coverHydrogen Peroxide for Seed Starting6 pages · by email (and text, if you like)Get the free PDF →Hydrogen Peroxide for Hydroponics PDF coverHydrogen Peroxide for Hydroponics5 pages · by email (and text, if you like)Get the free PDF →Hydrogen Peroxide Dilution Charts PDF coverHydrogen Peroxide Dilution Charts5 pages · by email (and text, if you like)Get the free PDF →
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