Does iSpring remove TDS (total dissolved solids)?
Based on the itemized NSF, WQA & IAPMO certified-model listings we track for iSpring (22 of 23 models).
Which iSpring 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 | |
|---|---|---|
| iSpring HD-MRO800C | reverse-osmosis | Buy on Amazon → |
| iSpring HERO-385PLUS | reverse-osmosis | Buy on Amazon → |
| iSpring MRO1785-800G | reverse-osmosis | Buy on Amazon → |
| iSpring RCC7 | reverse-osmosis | Buy on Amazon → |
| iSpring RCC7-BLK | reverse-osmosis | Buy on Amazon → |
| iSpring RCC7-BN | reverse-osmosis | Buy on Amazon → |
| iSpring RCC7AK | reverse-osmosis | Buy on Amazon → |
| iSpring RCC7AK-BLK | reverse-osmosis | Buy on Amazon → |
| iSpring RCC7AK-BN | reverse-osmosis | Buy on Amazon → |
| iSpring RCC7AK-UV | reverse-osmosis | Buy on Amazon → |
+ 8 more certified iSpring models.
As an Amazon Associate we earn from qualifying purchases; buy links are affiliate links. Disclosure.
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 iSpring filters are certified to remove
Across the iSpring 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 iSpring model is listed as certified for TDS (total dissolved solids). See our methodology.