Does Aquasana remove TDS (total dissolved solids)?
Based on the itemized NSF, WQA & IAPMO certified-model listings we track for Aquasana (2 of 10 models) — coverage for this brand is partial, so we only state what is confirmed certified, not what isn’t.
Which Aquasana 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 | |
|---|---|---|
| Aquasana AQ-SFRO2 | reverse-osmosis | Buy on Amazon → |
| Aquasana OptimH2O AQ-RO-3 | 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 Aquasana filters are certified to remove
Across the Aquasana models we track, here’s what their certifications actually cover.
How we know: we normalize the public certified-product listings from NSF, WQA, and IAPMO. A “yes” means a specific Aquasana model is listed as certified for TDS (total dissolved solids). See our methodology.