Under-sink reverse osmosis · checked 16 Oct 2026
APEC Water Essence Alkaline Mineral 6-Stage 75 GPD Reverse Osmosis…
Model ROES-PH75 · replacement parts FILTER-SET-ES, FI-ES-SED10, FI-ES-CAB10, MEM-ES-75, FI-ES-TCR-QC, FI-PHPLUS-QC
Lead:Brand claim onlyPFAS:Brand claim only
Each claim, checked
What the brand says, what a certification listing shows for this model, and where each fact comes from. We read listings; we do not test products.
- Certified (listing checked)The certifier’s public listing shows this claim for this model.
- Brand says certifiedThe brand says certified; IAPMO’s listing does not show it. NSF can be checked by hand.
- Brand claim onlyThe brand claims it without citing a certification.
| Contaminant | Brand claim | Standard | Certifier | Confirmed? | Source, date checked |
|---|---|---|---|---|---|
| Lead | “Removes a wide variety of contaminants including arsenic, bacteria, lead, fluoride, chromium, radium and more.” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| PFOA | “Shown to Reduce the Following: … ✔ Perfluorooctanoic Acid (PFOA)” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| PFOS | “Shown to Reduce the Following: … ✔ Perfluorooctanesulfonic Acid (PFOS)” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| PFAS (no compounds named) | “Shown to Reduce the Following: … ✔ Per-and Polyfluoroalkyl Substances (PFAS)” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Total dissolved solids (TDS) | “System Certified by WQA to NSF/ANSI 58 for TDS, as verified and substantiated by test data.” brand source | NSF/ANSI 58 | WQA (named by brand) | Brand says certified — not found in IAPMO’s listing; check NSF | IAPMO searched · check NSF’s listingchecked 16 Oct 2026 |
| Bacteria | “75 GPD 6-stage system removes up to 99% of bacteria, viruses, cysts, organics, chemicals & more” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Viruses | Same statement as for Bacteria. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Cysts (Giardia, Cryptosporidium) | Same statement as for Bacteria. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Chlorine | “removing any chlorine, unpleasant tastes, odors and up to 99% of harmful contaminants” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| VOCs (volatile organic chemicals) | “Also removes VOCs and other common chemicals from the water.” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Arsenic | Same statement as for Lead. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Fluoride | Same statement as for Lead. brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Chloramine | “Shown to Reduce the Following: … ✔ Chloramines” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Nitrate | “Shown to Reduce the Following: … ✔ Nitrate” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Chromium-6 | “Shown to Reduce the Following: … ✔ Chromium-6” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Trihalomethanes (TTHM) | “Shown to Reduce the Following: … ✔ Total Trihalomethanes (TTHM)” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Pharmaceuticals | “Shown to Reduce the Following: … ✔ Pharmaceuticals” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Iron | “Shown to Reduce the Following: … ✔ Iron 2” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
| Manganese | “Shown to Reduce the Following: … ✔ Manganese 2” brand source | – | – | Brand claim — no certification cited | brand pagechecked 16 Oct 2026 |
Filter changes, by the brand’s numbers
How often APEC Water says to replace each part. Real filter life depends on how much water you use and what is in it.
| Part | Brand says replace every | Changes a year | Source, date checked |
|---|---|---|---|
| Stages 1-3 pre-filters (FILTER-SET-ES: FI-ES-SED10 + FI-ES-CAB10 x2) | 6–12 months“Stages 1, 2, 3 Pre-Filters: Replace every 6-12 months.” | 1–2 | brand sourcechecked 16 Oct 2026 |
| Stage 4 RO membrane (MEM-ES-75)The brand gives more than one figure for this part. | 2–4 years“Stage-4 Membrane: City Water: Replace every 2-4 years”2 years“Private Well Water: Replace every 2 years depending on well water quality, and pre-filter change maintenance.” | 1 every 2–4 years or 1 every 2 years | brand sourcechecked 16 Oct 2026brand sourcechecked 16 Oct 2026 |
| Stage 5 carbon post-filter (FI-ES-TCR-QC) | 2–4 years“Stage-5 Carbon Filter: Replace every 2-4 years.” | 1 every 2–4 years | brand sourcechecked 16 Oct 2026 |
| Stage 6 calcium mineral filter (FI-PHPLUS-QC) | 6–12 months“Stage-6 Mineral Filter: Replace every 6-12 months.” | 1–2 | brand sourcechecked 16 Oct 2026 |
Certification listings found
No IAPMO R&T listing matched this model when we searched on 16 Oct 2026.
Check it yourself
NSF’s and WQA’s terms don’t allow automated lookups, so these links open their public listings for this model:
- NSF listing search: ROES-PH75
- NSF listing search: APEC
- WQA listing search: ROES-PH75
- WQA listing search: APEC
- IAPMO R&T listing directory
What the brand says about certification
- “ROES-PH75 - Essence Alkaline Mineral 6-Stage 75 GPD Reverse Osmosis Water Systems for Drinking Water, WQA Certified” source checked 16 Oct 2026
- “WQA Gold Seal Certified System” source checked 16 Oct 2026
- “Our reverse osmosis system has been tested for TDS reduction. It's proven to deliver the finest filtration and durability. This certification establishes that systems are assembled soundly from safe materials and guarantee the highest contaminant rejection.” source checked 16 Oct 2026
- “This system has been tested according to NSF/ANSI 58 for reduction of TDS.” source checked 16 Oct 2026
Performance data sheet (names WQA)