Choose a generator
hypochlorous.com is funded and produced by HOCL LLC, which sells both machines compared on this page and the products linked in it. HOCL LLC does not sell bottled HOCl. Who funds this site
A side-by-side look at the Eco One and the Hypo 7.5. Most readers making hypochlorous acid at home start with the Eco One (1 L batch). The Hypo 7.5 is listed for larger batches.
How we list specs
Specifications come from each model’s current manual. This is not a rating, a ranking, or a claim about what a machine does to a surface or an organism.
Swipe sideways to see every column.
| Spec | Eco One1 L batch generator | Hypo 7.57.5 L batch generator |
|---|---|---|
| Layout / batch size | 1 L batch in a 1.5 L pitcher (fill to the 1 L line) | 7.5 L (2 gal) batch |
| Listed HOCl programs | Setting 1: 40 ppm / 3 min; Setting 2: 60 ppm / 5 min; Setting 3: 100 ppm / 8 min, or run twice (16 min) for 200 ppm; 500 ppm / 40 min, all at the 1 L line | 200 ppm / 8 min or 500 ppm / 20 min; pH 5–6 |
| Salt / acid (HOCl) | 2 g kosher salt per 1 L (food-grade, non-iodized recommended). 200 ppm: 1 tsp of 5% distilled vinegar, pH 5–6. 500 ppm: 2 tsp of 5% distilled vinegar before the 40-min run, pH 5–6 | Salt and 5% vinegar amounts per the current Hypo 7.5 manual |
| Water | Hardness under 80 ppm recommended | See the Hypo 7.5 manual |
| Installation / power | Supplied detachable power unit; lid is part of the directions | Electrical requirements per the Hypo 7.5 manual |
| Electrode / cell life | Not specified in the manual | 4,000 operating hours is a technical estimate, not warranty coverage |
| Testing | Chlorine paper 10–200 ppm; pH measured separately | High-range chlorine strips before use; pH strips separately |
| Care / checks | Empty and rinse after use; no dishwasher; dry the connector | Daily leak and wire checks; monthly scale checks; not maintenance-free; no lid supplied |
| Other function | Only this model makes the potassium hydroxide cleaner (potassium carbonate in place of salt) | — |
| Country of manufacture | South Korea | United States |
| Solution storage duration | See the storage and shelf-life guide on this site | Not stated in the Hypo 7.5 manual |
| Store page | Shop Eco One | Shop Hypo 7.5 |
The Hypo 7.5 warranty is issued by HypoSource LLC (hyposource.com), not HOCL LLC; its electrode technical life of 4,000 hours is not an extension of warranty coverage. For the Eco One, read the current warranty text on the Eco One product page rather than a summary on this page.