Verdict
Head-to-head · Best Under-Sink Water Filters

APEC ROES-PH75 vs Aquasana Claryum AQ-5300+

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

APEC ROES-PH75 and Aquasana Claryum AQ-5300+ score essentially the same (4.7 vs 4.7). Pick the one whose trade-offs match your priorities — the strengths and watch-outs below are where they actually differ.

APEC ROES-PH75
Ranked #3 in Best Under-Sink Water Filters
APEC ROES-PH75
$280

The ROES-PH75 is the USA-made RO pick — APEC's flagship 6-stage with alkaline pH boost.

Strengths
  • 6-stage RO with alkaline pH boost
  • Made in USA
  • Long-life filters (12-18 months on early stages)
Watch-outs
  • Tank installation adds under-sink space
  • RO water waste
  • Premium APEC pricing
Aquasana Claryum AQ-5300+
Ranked #1 in Best Under-Sink Water Filters
Aquasana Claryum AQ-5300+
$260

The Claryum is the best-overall non-RO pick — Aquasana's flagship removes 77 contaminants without RO water waste.

Strengths
  • Removes 99% of 77 contaminants including lead, mercury, PFAS
  • No water waste (not RO)
  • Environmental-friendly cartridge design
Watch-outs
  • Doesn't remove fluoride / arsenic (RO does)
  • Higher upfront than basic filters
  • Cartridge replacement every 6 months

How they stack up

APEC ROES-PH75

USA-made. Long-life filters. Tied with iSpring on capability.

Aquasana Claryum AQ-5300+

Best non-RO. No water waste. Lead + mercury removal.

Specs side-by-side

SpecAPEC ROES-PH75Aquasana Claryum AQ-5300+
Type6-stage RONon-RO multi-stage
OriginUSA
Filter Life12-18 mo early stages
Warranty5-year
Contaminants77 removed
WasteNone
Cartridge6-month
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