Does Pentair remove TDS (total dissolved solids)?
Based on the itemized NSF, WQA & IAPMO certified-model listings we track for Pentair (43 of 45 models).
Which Pentair 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 | |
|---|---|---|
| Pentair GRO-2550 | reverse-osmosis | Buy on Amazon → |
| Pentair GRO-2575 | reverse-osmosis | Buy on Amazon → |
| Pentair GRO-350B | reverse-osmosis | Buy on Amazon → |
| Pentair GRO-475B | reverse-osmosis | Buy on Amazon → |
| Pentair GRO-475BP | reverse-osmosis | Buy on Amazon → |
| Pentair GRO-575B | reverse-osmosis | Buy on Amazon → |
| Pentair OmniFilter RO2050 | reverse-osmosis | Buy on Amazon → |
| Pentair RO-2550 | reverse-osmosis | Buy on Amazon → |
| Pentair T600RO | reverse-osmosis | Buy on Amazon → |
| Pentair Everpure Residential ROM IV | reverse-osmosis | Details → |
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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 Pentair filters are certified to remove
Across the Pentair 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 Pentair model is listed as certified for TDS (total dissolved solids). See our methodology.