Does iSpring remove nitrate?
Yes
1 iSpring model we track is independently certified to remove nitrate — a reverse-osmosis filter.
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 HERO-385PLUS | reverse-osmosis | Buy on Amazon → |
As an Amazon Associate we earn from qualifying purchases; buy links are affiliate links. Disclosure.
About nitrate
Causes 'blue baby syndrome' (methemoglobinemia) in infants under 6 months; MCL 10 mg/L as N. Runoff from fertilizer, septic, manure.
What iSpring filters are certified to remove
Across the iSpring models we track, here’s what their certifications actually cover.
See every filter certified for nitrate — all brands, ranked.
Certified for nitrate → Other brands & nitrate
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 nitrate. See our methodology.