APEC Water Systems ROES-50 (Essence Series) vs Aquasana AQ-5200.56 (Claryum 2-Stage, chrome; .55 = brushed nickel)
APEC Water Systems ROES-50 (Essence Series)
Aquasana AQ-5200.56 (Claryum 2-Stage, chrome; .55 = brushed nickel)
The short answer
Aquasana AQ-5200.56 (Claryum 2-Stage, chrome; .55 = brushed nickel) comes out ahead overall with 7.8/10 against 7.0/10 for the APEC Water Systems ROES-50 (Essence Series). APEC Water Systems ROES-50 (Essence Series) is stronger on other contaminant coverage. Aquasana AQ-5200.56 (Claryum 2-Stage, chrome; .55 = brushed nickel) is stronger on pfas reduction evidence, installation & cabinet fit, flow & daily convenience and health, materials & sustainability. At current verified prices, the Aquasana AQ-5200.56 (Claryum 2-Stage, chrome; .55 = brushed nickel) costs about $67.50 less.
- Choose the APEC Water Systems ROES-50 (Essence Series) if: Buyers who also want fluoride, arsenic or TDS removal on a budget and have room for a tank.
- Choose the Aquasana AQ-5200.56 (Claryum 2-Stage, chrome; .55 = brushed nickel) if: Most homeowners on municipal water who want certified PFAS, lead and chlorine reduction without RO wastewater.
Scores by criterion
| Criterion | APEC Water Systems ROES-50 (Essence Series) | Aquasana AQ-5200.56 (Claryum 2-Stage, chrome; .55 = brushed nickel) |
|---|---|---|
| PFAS reduction evidence | 7.0100% total PFAS in one independent lab test; no PFAS certification. | 8.5WQA NSF 53/P473 PFOA/PFOS certification, corroborated by Wirecutter and CR; no independent lab PFAS number. |
| Other contaminant coverage | 8.5Lab-verified lead, arsenic, uranium and fluoride, plus NSF 58. | 7.042/53/401 covers chlorine, lead, VOCs and pharmaceuticals; no TDS or fluoride reduction. |
| Value | 8.5$180 and about $75 a year. | 8.5$112.49 upfront and about $148 a year in filters. |
| Installation & cabinet fit | 4.5Tank, drain saddle, faucet hole; may need a pro. | 7.5Compact, no power or drain; the dedicated faucet may need a hole. |
| Flow & daily convenience | 5.050 GPD tank; fiddly changes. | 6.0Rated 0.5 gpm; 500 gal/6-month changes; no reminder. |
| Health, materials & sustainability | 6.0No power, but 3:1 waste and strips minerals. | 8.0No wastewater; Aquasana says BPA-free; minerals kept. |
| Reliability & support | 7.0Long-selling; standard filters. | 7.0Leaks are mostly blamed on over-tightening; filters widely sold; successor model exists. |
Specifications
| Spec | APEC Water Systems ROES-50 (Essence Series) | Aquasana AQ-5200.56 (Claryum 2-Stage, chrome; .55 = brushed nickel) |
|---|---|---|
| Filter type | Tank reverse osmosis | Carbon block (Claryum), 2-stage |
| PFAS certification (as stated by maker) | None for PFAS; WQA certified (NSF/ANSI 58 system performance) | WQA-certified to NSF/ANSI 42, 53 (includes P473 PFOA/PFOS) and 401 |
| Third-party certified for PFAS | No | Yes |
| Independent lab total PFAS reduction | 100 % | — |
| Filtration stages | 5 | 2 |
| Filter capacity (primary cartridge) | — | 500 gal |
| Rated filter life | 12 months | 6 months |
| Rated flow rate | 0.04 gpm | 0.5 gpm |
| Est. annual filter cost | 75 USD | 148 USD |
| Pure-to-drain ratio (RO) | 1:3 (3 gal drain per 1 gal filtered, TechGearLab) | None (no RO) |
| Needs electrical outlet | No | No |
| Uses dedicated faucet (drilling may be needed) | Yes | Yes |
APEC Water Systems ROES-50 (Essence Series)
Pros
- 100% total PFAS removal in Tap Score testing
- Removes lead, arsenic, uranium and fluoride
- Low yearly filter cost
- No electricity needed
Cons
- No PFAS certification
- About 3 gallons of wastewater per gallon filtered
- Bulky tank and harder install
- Water can taste flat
A capable budget RO system with good lab data. Buy it for breadth, not for certified PFAS claims.
Full APEC Water Systems ROES-50 (Essence Series) review →Aquasana AQ-5200.56 (Claryum 2-Stage, chrome; .55 = brushed nickel)
Pros
- Certified to NSF/ANSI 42, 53 (P473) and 401
- Favorite under-sink filter at Wirecutter
- No wastewater and no electricity
- Sold and stocked by Amazon.com
Cons
- Some owners report leaks, mostly from over-tightened O-rings
- Replacement set costs about $148 a year
- No TDS or fluoride reduction
- Aquasana's own store now sells the AQ-6200 successor
The best all-around choice for municipal water. If it sells out, the AQ-6200 successor carries the same certifications.
Full Aquasana AQ-5200.56 (Claryum 2-Stage, chrome; .55 = brushed nickel) review →Both products are part of our guide The Best Under-Sink Filters for PFAS of 2026, where you can see every pick, how we score and current prices from each retailer.