That’s *HADEX® by Hatenboerwater* — a water disinfectant.
*What the label says:*
- *Product*: HADEX
- *Use*: `Disinfectants Para Aqua Potable drinking Water`
- *Brand*: Hatenboerwater
*What it’s for:*
HADEX is a concentrated disinfectant used to treat and purify raw water to make it safe for drinking. It’s commonly used by water treatment companies, ships, hospitals, and emergency water supply systems. Basically it kills bacteria, viruses, and other pathogens in water.
*Important:*
This is _not_ for direct drinking. You add a measured dose to untreated water, wait for contact time, then the water becomes potable. Always follow the dosage and safety instructions on the back label — it’s a chemical, so handle with gloves and store