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Description, long copy, and specifications.
Filtration media Wellness-marketed
Negative Ions Ball is a fired ceramic ball made with a mineral powder that makers sell as a source of 'negative ions'.
Made of: Ceramic with a 'negative-ion' mineral powder (typical recipes); our supplier's recipe is not disclosed
Form: Ceramic balls
Main job: Marketed for 'negative-ion' or 'activated' water
Used in: Waslix custom layered cartridges; also sold loose by weight
Makers quote 'negative ion' figures for balls like these in ions per cubic centimetre, the unit used by air-ion counters, not a water-quality measurement. Water always balances its negative ions, such as chloride and bicarbonate, with an equal positive charge, so it cannot hold a surplus of them.
May nudge pH: another maker lists a pH rise of 0.4–1.6 units after 24 hours for a similar ball, without test conditions; not measured for ours
Negative ions: quoted in the units of an air-ion count, not a water-quality parameter; we found no independent evidence that it changes drinking water
No contaminant removal: we found no test data showing it reduces any contaminant, so we make no removal claim
Evidence: limited The only figures we found come from another maker's own product sheet. Independent evidence for the marketed negative-ion benefits is limited.
If you want it, add it as a single finishing layer near the outlet, after the treatment layers.
Layer position: Near the outlet, after activated alumina and iron-based media, and before the filtration pad
Pairs well with: Activated carbon and the other treatment layers placed before it
Keep in mind: It is an optional layer: it removes no contaminants, and any pH effect adds to other pH-raising layers
Material | Fired mineral ceramic; composition not disclosed |
|---|---|
Form | Ceramic balls |
Spec source | Product title; material type from other makers' listings |
Before first use: Rinse until the water runs clear and send the first flush to drain
Storage: Keep sealed and dry; it is a fired mineral ceramic, so keep dust down when pouring and never crush it
Replacement: The supplier gives no service life; replace it with the cartridge
That is how it is marketed. Negative-ion figures are quoted per cubic centimetre, the unit of air-ion counters, and water always balances its negative ions with an equal positive charge, so it cannot hold a surplus. We make no such claim.
No. Choose the treatment layers in your cartridge, such as carbon, KDF or resin, for that. This is an optional layer.
No certification is claimed for this product. Filter media can be certified for material safety (for example to NSF/ANSI 61) and complete systems for performance (NSF/ANSI 42 or 53), but we have not found such a listing for this material.
How well any medium works depends on your water, the flow rate, contact time and the other layers in the cartridge. This page describes the loose medium, not a certified filter system.
Negative Ions Ball is a fired mineral ceramic ball, offered as an optional finishing layer for the outlet end of a layered cartridge. It is marketed for 'negative-ion' or 'activated' water. Negative-ion figures are quoted in air-ion units, not as a water measurement, and independent evidence for the marketed benefits is limited. It is not a contaminant-removal medium.

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