Does Waterdrop remove TDS (total dissolved solids)?

Yes

4 Waterdrop models we track are independently certified to remove TDS (total dissolved solids) — a reverse-osmosis filter.

Based on the itemized NSF, WQA & IAPMO certified-model listings we track for Waterdrop (29 of 30 models).

Which Waterdrop models are certified

Certification is per model — make sure the product you buy is one of these specific certified models, not just the same brand.

Certified model	Type
Waterdrop Kent Grand Star Mineral RO	reverse-osmosis	Buy on Amazon →
Waterdrop Kent Pearl Mineral RO	reverse-osmosis	Buy on Amazon →
Waterdrop Kent Supreme + Mineral RO	reverse-osmosis	Buy on Amazon →
Waterdrop Tankless RO	reverse-osmosis	Buy on Amazon →

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About TDS (total dissolved solids)

Total dissolved solids (TDS) are the combined minerals, salts, and metals in water. High TDS affects taste and can indicate other issues; reverse osmosis is the main certified way to reduce it.

What Waterdrop filters are certified to remove

Across the Waterdrop models we track, here’s what their certifications actually cover.

✓ lead ✓ chlorine ✓ mercury ✓ TDS (total dissolved solids) ✕ fluoride ✕ PFAS ✕ arsenic

See every filter certified for TDS (total dissolved solids) — all brands, ranked.

Certified for TDS (total dissolved solids) →

Other brands & TDS (total dissolved solids)

Brita Yes Aquasana Yes APEC Yes iSpring Yes Culligan Yes Pentair Yes 3M Yes Express Water Yes A.O. Smith Yes Bluevua Yes GE Yes Aqua-Pure Yes

How we know: we normalize the public certified-product listings from NSF, WQA, and IAPMO. A “yes” means a specific Waterdrop model is listed as certified for TDS (total dissolved solids). See our methodology.