How-To
How to Make Hypochlorous Acid at Home
A step-by-step guide to how to make hypochlorous acid at home with a countertop generator, salt, water and vinegar, then check ppm and pH.
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Guides
How to make hypochlorous acid, how a generator works, and the numbers — ppm, pH, cost, and storage — that go with a finished batch.
Generators
Choosing an HOCl Generator: Eco One vs Hypo 7.5
A specifications comparison of two HOCl generators, the Eco One and the Hypo 7.5, so you can match batch size and features to what you need.
How-To
Cleaning with HOCl You Make at Home
How to use hypochlorous acid you make at home as a cleaner on counters, floors, bathrooms and other frequently used hard surfaces, including the Eco One's separate carbonate cleaner mode.
Cost
Hypochlorous Acid by the Gallon: What It Costs to Make vs Buy Bottled
Hypochlorous acid by the gallon: dated Nov 10, 2026 bottled prices per liter, and the cost of making a liter with the Eco One—salt, vinegar and machine price—with the math shown.
How-To
Using an HOCl Fogger with Solution You Make
How to use an HOCl fogger with solution you make: tank fill, refill planning, and what the handheld cold fogging sprayer is — and is not — for.
How-To
HOCl Storage and Shelf Life
How to store HOCl after you make it: closed, protected from light, at room temperature or cooler, in HDPE, LDPE or PET, and why heat, air and low pH shorten shelf life.
Basics
An HOCl Testing Toolkit: Paper, High-Range Strips and a Photometer
What to keep in an HOCl testing toolkit: the 10–200 ppm paper and pH paper that come free with every Eco One order, plus when high-range strips and a photometer are the next step.
How-To
How an HOCl Generator (Hypochlorous Acid Machine) Works
How an HOCl generator, or hypochlorous acid machine, turns water, salt and a small amount of vinegar into a measured HOCl batch you can test for ppm and pH.
Basics
HOCl PPM and pH Basics
How to read HOCl ppm and pH, why the target is pH 5–6, and how to use a 1:5 dilution on high-range test paper, as printed in the Eco One manual.
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