Reviews · Updated Oct 31, 2026
Each review is built from the manufacturer's own specifications, manuals, warranty and return terms, and independent certification listings, with every fact linked to its source. We say what each system can't do.
Two systems for two different problems. Your water test decides which one fits.
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Iron, manganese & sulfur
Best for: iron, manganese and rotten-egg smell in private wells
Stated maximums, pH 6.5 or higher1
$2,100brand list price $2,625 WS1 sale price, checked Oct 31, 2026 · WS4 $2,5201
Low-iron water, smaller homes
Best for: smaller homes whose well water is already low in iron and hardness
Aquasana's sizing and return terms2, 3
$1,749brand list price $3,498 Sale price, checked Oct 31, 20262
SpringWell vs. Aquasana What each treats, sizing, certification, prices, upkeep, warranty and returns, side by side.
Compare bothStart from what you see or smell. Not sure what you need? Test first, then use the filter selector.
Orange stains, metallic taste: which method works at your iron level.
Water heater or well? Then the fix for your hydrogen sulfide level.
The two setups that cover most wells, compared side by side.
Four checks for every system. Our method in full
Health limits and testing advice from the EPA, the CDC, the USGS and state extension services.
Specifications, manuals, warranty terms and stated limits.
"Certified to NSF/ANSI …" is checked by an independent body; "tested to" or "reduces" is the maker's own claim.
Every number links to where it comes from, with the date we checked it.
