Home › Water Filters › OptimH2O Reverse Osmosis vs Big Berkey
OptimH2O Reverse Osmosis vs Big Berkey
Aquasana's $379 model meets Berkey's $367 model. We tally wins category by category, then call a verdict.
Our recommendation
The Big Berkey wins outright, better on more specs and cheaper by $12.
OptimH2O Reverse Osmosis: 0 category wins Big Berkey: 2 category wins
Side by side
OptimH2O Reverse Osmosis
$379
Big Berkey
$367
Filter type
Under-sink RO
Gravity countertop
Removes
lead, PFAS, fluoride, nitrates, arsenic, chlorine
lead, PFAS, chlorine, fluoride
NSF certified
42, 53, 58, 401
N/A
Flow rate
0.06 GPM
0.06 GPM
Filter life
600 gal
6,000 galWin
Filter cost / yr
110 USD
60 USDWin
Installation
DIY
No-install
Storage tank
Yes
No
OptimH2O Reverse Osmosis
Under-sink RO with Claryum remineralization that targets lead, PFAS, and fluoride.
Big Berkey
Gravity-fed stainless countertop system that filters water anywhere without plumbing or power.
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