Product comparison · Reverse Osmosis

APEC RO‑PH90 vs iSpring RCC7AK‑UV

The APEC RO-PH90 scores 7.8 and ranks 7th of 69 in Reverse Osmosis; the iSpring RCC7AK-UV scores 5.9 and ranks 38th of 69 in Reverse Osmosis. The RO-PH90 leads on certification coverage, the RCC7AK-UV on ease of installation.

All 22 APEC Water Systems products
APEC Water Systems RO-PH90 Ultimate Alkaline 6-Stage 90 GPD Reverse Osmosis System

APEC RO‑PH90

$410 · 7th of 69 in Reverse Osmosis

Buy Now
  • Certification Coverage — 7 against 5
7.8
vs
5.9
All 24 iSpring products
iSpring RCC7AK-UV 7-Stage Alkaline UV Reverse Osmosis System, 75 GPD

iSpring RCC7AK‑UV

$357 · 38th of 69 in Reverse Osmosis

Buy Now
  • Ease of Installation — 7 against 6

Across everything we scored, APEC RO-PH90 sits 1.90 ahead — led by certification coverage.

Verdict

RO-PH90 ahead · +1.90 (7.8 vs 5.9)

Pick the APEC RO-PH90 when

Warranty & support matters3vs1

Certification coverage matters7vs5

Build quality matters8vs7

Pick the iSpring RCC7AK-UV when

Ease of installation matters7vs6

You want UV

Scored 17 September 2026 from published specs and owner reviews. We don't buy or test units. How we score

Usability APEC RO-PH90 and iSpring RCC7AK-UV, scored 0 to 10

  • Certification CoverageAPEC RO-PH90: 7 (higher)iSpring RCC7AK-UV: 5

    APEC RO‑PH90

    • The certification position is unchanged, since the WQA Gold Seal covers NSF/ANSI 58 for TDS reduction and the remineralisation stage is outside any listing.

    iSpring RCC7AK‑UV

    • Its NSF listing is the same TDS-only entry the RCC7 and RCC7AK carry, so the UV stage adds no certified claim of its own and NSF/ANSI 55, the standard that would verify a UV dose, is absent.
  • Warranty & SupportAPEC RO-PH90: 3 (higher)iSpring RCC7AK-UV: 1

    APEC RO-PH90: 2 Years · iSpring RCC7AK-UV: 1 Year.

  • Build QualityAPEC RO-PH90: 8 (higher)iSpring RCC7AK-UV: 7
  • Ease of InstallationAPEC RO-PH90: 6iSpring RCC7AK-UV: 7 (higher)

Same score

  • Contaminant ReductionAPEC RO-PH90: 8iSpring RCC7AK-UV: 8

    APEC RO‑PH90

    • Its strongest attribute is the same 90 GPD membrane and tank pairing that makes the RO-90 work, with a taste profile that owners consistently prefer in side-by-side comparisons.
    • Buyers are paying for palatability rather than for anything measurable, and APEC does not publish a target pH or mineral concentration for the added stage.

    iSpring RCC7AK‑UV

    • iSpring markets it for well water and untreated sources, but its own FAQ says reverse osmosis is not recommended for microorganism removal because bacteria can grow through the membrane.
  • Flow RateAPEC RO-PH90: 5iSpring RCC7AK-UV: 5

    APEC RO‑PH90

    Nothing recorded.

    iSpring RCC7AK‑UV

    • iSpring publishes the waste ratio as both 1:3 and up to 1:2 on the same page, which is the kind of inconsistency that makes the rest of the specification harder to take at face value.
  • Filter LifeAPEC RO-PH90: 5iSpring RCC7AK-UV: 5
  • ValueAPEC RO-PH90: 5iSpring RCC7AK-UV: 5

    APEC RO‑PH90

    • Its weakest is the price: 145 dollars over the RO-90 buys one additional cartridge that then needs replacing on its own schedule.

    iSpring RCC7AK‑UV

    • Running costs are the highest in the tanked line at roughly $112 a year once the bulb is counted, and it needs a power outlet the pumpless models do not.

Social score about the APEC RO-PH90 and the iSpring RCC7AK-UV

  • RedditAPEC RO-PH90: 6iSpring RCC7AK-UV: 7 (higher)

    The iSpring RCC7AK-UV reading covers its product line.

    APEC RO‑PH90

    Read the full summary
    • Product-level.
    • The RO-90 versus RO-PH90 choice is one of the more common APEC threads on r/WaterTreatment, and the split runs on whether the poster minds the taste of demineralised water.
    • Nobody reports a functional problem with the added stage.
    • A separate thread covers a pH filter that kept leaking at the connection, which posters attribute to tubing damaged a little at each cartridge change.

    iSpring RCC7AK‑UV

    Read the full summary
    • Product-line.
    • The UV build is not discussed by model and the subreddit's interest in ultraviolet stages is general rather than about this system.
    • The RCC7 chassis beneath it is well covered, with an owner lab report showing arsenic to non-detect below 2 ppb set against a recurring leak cluster at faucet handles and housing joints after cartridge changes.
    • Threads on low flow through this platform resolve to tank pressure below specification rather than to the membrane, which is worth knowing before a UV stage gets blamed for anything.
  • GoogleAPEC RO-PH90: 8 (higher)iSpring RCC7AK-UV: 6

    The APEC RO-PH90 reading covers its product line; the iSpring RCC7AK-UV reading covers its product line.

    APEC RO‑PH90

    Read the full summary
    • Product-line.
    • Written coverage treats the alkaline models as a variant of the tested chassis rather than a separate product.
    • The certification criticism is the same in every source: a real WQA listing whose scope is total dissolved solids against a product page naming more than fifty contaminants.

    iSpring RCC7AK‑UV

    Read the full summary
    • Product-line.
    • Independent coverage of the RCC7 chassis disagrees with itself and the disagreement is the finding.
    • TechGearLab lab-tested the alkaline build at 91 out of 100 and ranked it third of thirteen, measuring 100 percent removal of lead, arsenic, uranium and lithium.
    • WaterFilterGuru scored the base chassis 6.64 overall with contaminant reduction at 5.25, measured production at roughly 35 gallons a day against a 75 GPD rating, and recorded vanadium and arsenic appearing in the filtered water.
    • RO-System.org has withdrawn its recommendation of the base model outright, on the grounds that similar money now buys a more efficient system with a better warranty.
    • This model is not separately covered by any of the three.
  • YouTubeAPEC RO-PH90: 6iSpring RCC7AK-UV: 6

    The APEC RO-PH90 reading covers its product line; the iSpring RCC7AK-UV reading covers its product line.

    APEC RO‑PH90

    Read the full summary
    • Product-line.
    • Lab testing of the ROES-PH75, the Essence equivalent of this configuration, returns 8.87 overall with contaminant reduction at 9.28 and pH lifted from 7.59 to 8.77 by the remineralisation stage.
    • The same test detected a 40 percent rise in manganese after filtration, attributed to the remineralisation media, which is the only measurement anyone has published on an APEC alkaline cartridge.

    iSpring RCC7AK‑UV

    Read the full summary
    • Product-line.
    • BOS Water lab-tested the alkaline build of this chassis, which shares this system's core stages, and published the reports; it sells that build under an exclusive discount code.
    • Reduction was strong across most contaminants; the same lab work found boron rising from 0.005 to 0.17 ppm in the filtered water, vanadium at 0.02 ppm where none was present in the feed, and trace aluminium, all below the strictest guidelines cited and none of it in the manufacturer's account.
    • A second video from the same channel ran that build against the APEC ROES-50 across installation, daily use and lab results and scored the iSpring 3.94 out of 5.
    • No independent channel has tested this model specifically.
  • AmazonAPEC RO-PH90: 9 (higher)iSpring RCC7AK-UV: 7

    The iSpring RCC7AK-UV reading covers its product line.

    APEC RO‑PH90

    Read the full summary
    • Product-level.
    • The RO-PH90 holds 4.4 stars across 914 Amazon ratings on its own listing.
    • Amazon's brand panel renders in two forms across APEC's listings: a proportion line reading 91 percent of ratings for the brand at 4-plus stars over 50,000-plus orders in the trailing three months, and a badge form carrying Highly Rated, Trending and Low Returns with no denominator.
    • The proportion form is the scoreable one and is what carries here.

    iSpring RCC7AK‑UV

    Read the full summary
    • Product-line.
    • This model's Amazon listing exists and publishes no rating in readable form, so the figure below is the chassis rather than the product.
    • The pumpless alkaline build of the same platform holds 4.6 out of 5 across 21,461 ratings with 2,000-plus units sold in the past month, and the colour variants of that build share one review file.
    • Amazon's brand panel puts 91 percent of iSpring ratings at four stars or better over 100,000-plus orders in the trailing three months.
  • Owner reviewsAPEC RO-PH90: 9 (higher)iSpring RCC7AK-UV: 5

    The iSpring RCC7AK-UV reading covers the whole brand.

    APEC RO‑PH90

    Read the full summary
    • Home Depot reads 4.7 across 458 reviews on this model, the largest big-box pool APEC has and one of nineteen APEC under-sink systems Lowe's also stocks.
    • Trustpilot's brand profile sits at 4.1 from 658 reviews underneath it.

    iSpring RCC7AK‑UV

    Read the full summary
    • No retailer publishes a readable pool against the UV build, and the files that exist for it return no star average or recommend rate of their own.
    • Falling back to the brand's Home Depot record, where the figures that do return are 98 percent recommend on the pumped RCC7 across 120 reviews and 93 percent on the review file Home Depot shares across the whole tankless range.
    • Those files carry iSpring's own attribution line against individual reviews, so they are mixed pools and the recommend rate is the only figure in them worth reading.

APEC RO-PH90 vs iSpring RCC7AK-UV: pros and cons

APEC RO‑PH90

Overall score 7.8

Strengths

  • WQA Gold Seal certification to NSF/ANSI 58
  • 90 GPD output into a four-gallon pressurised tank
  • Same serviceable cartridge layout as the rest of the Ultimate line
  • Assembled in California with lifetime technical support
  • Sixth stage adds calcium carbonate for a fuller taste than straight RO permeate

Drawbacks

  • Costs 145 dollars more than the RO-90 for one additional cartridge
  • Certified scope is TDS reduction onlynot the contaminant list in the copy
  • Warranty is one year unless registered within eight weeks
  • Sixth cartridge adds another consumable to the replacement schedule
  • APEC publishes no target pH or mineral concentration for the alkaline stage

iSpring RCC7AK‑UV

Overall score 5.9

Strengths

  • NSF/ANSI 58 certified as a complete system rather than by component, for TDS reduction at 97.9%
  • Transparent first-stage housing allows filter inspection without opening it
  • 11-watt UV stage with a flow sensor that runs the lamp only when water moves
  • Widest feed tolerances in the line at pH 3.0 to 11.0 and up to 750 ppm TDS
  • Alkaline stage raises pH by roughly 0.5 to 0.8 depending on source water
  • Backed by a 1-year money-back guarantee alongside the warranty

Drawbacks

  • NSF certification covers TDS reduction onlynot the lead figure iSpring publishes
  • Highest running cost in the RCC7 line at roughly $112 a year including the UV bulb
  • iSpring publishes the waste ratio as both 1:3 and up to 1:2 on the same page
  • Requires a power outlet for the UV transformerunlike the pumpless RCC7 and RCC7AK
  • An inch taller than the RCC7so under-sink clearance needs checking
  • Warranty is 1 year and requires product registration to activate
  • Push-to-connect fittings leak on initial installation for a minority of buyers
  • Not designed to disinfect water or treat microorganisms
  • Marketed for well water and untreated sourcesbut iSpring's own FAQ advises against relying on RO for microorganisms

APEC RO‑PH90 vs iSpring RCC7AK‑UV: the numbers

Price, scores and rank, then only the specs that differ. Green marks the side with more.

Filtration

BothAlkaline RemineralizationCarbon BlockGranular Activated CarbonReverse OsmosisSediment

APECNothing more
iSpringUV
Removes

BothArsenicChlorineChromiumFluoridePFASTDSLead

APECHeavy metalsNitrateTaste and OdorCystsVOCs
iSpring MoreBariumCadmiumCopperPCBsSeleniumAsbestosMercury
  • Warranty
    APEC More2 Years
    iSpring1 Year
  • Dimensions
    APECNot listed
    iSpring15.50" x 5.10" x 19.00"
  • Weight
    APECNot listed
    iSpring28 lb
  • Made in
    APECUSA
    iSpringTaiwan

Same on both

  • NSF/ANSI 58Certifications
  • Under 100 GPDFlow rate
  • 6-12 monthsFilter life
  • Point of use fittingConnection
  • BPA-Free PlasticHousing

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Not sold on either one?

The top-scored and the cheapest other pick from each brand.

More from APEC Water Systems 13 scored in Reverse Osmosis

APEC Water Systems ROES-PH75 Essence Alkaline 6-Stage 75 GPD Reverse Osmosis System
Top scoredAPEC ROES‑PH75$269$141 less
8.5
What’s different
  • Nothing we record differs.
Pick it ifValue matters7vs5
APEC Water Systems ROES-50 Essence 5-Stage 50 GPD Reverse Osmosis System
Lowest priceAPEC ROES‑50$231$179 less
8.5
What’s different
  • Filtration: no Alkaline Remineralization
  • Removes: adds Microplastics
Pick it ifValue matters9vs5

More from iSpring 23 scored in Reverse Osmosis

iSpring RCC7AK 6-Stage Alkaline Reverse Osmosis System, 75 GPD
Top scorediSpring RCC7AK$242$115 less
7.4
What’s different
  • Filtration: no UV
Pick it ifValue matters7vs5
iSpring RCC7 5-Stage Reverse Osmosis System, 75 GPD
Lowest priceiSpring RCC7$231$126 less
6.6
What’s different
  • Filtration: no Alkaline Remineralization or UV
Pick it ifValue matters7vs5

APEC RO‑PH90 vs iSpring RCC7AK‑UV: common questions

Is the APEC RO-PH90 better than the iSpring RCC7AK-UV?

On our scores, the APEC RO-PH90 is ahead, 7.8 against 5.9. The APEC RO-PH90 leads on certification coverage (7 against 5), warranty & support (3 against 1) and build quality (8 against 7). The iSpring RCC7AK-UV leads on ease of installation (7 against 6).

Which is cheaper, the APEC RO-PH90 or the iSpring RCC7AK-UV?

The iSpring RCC7AK-UV, at $357 against $410: $53 less.

Which removes more contaminants, the APEC RO-PH90 or the iSpring RCC7AK-UV?

The APEC RO-PH90 lists 12 and the iSpring RCC7AK-UV lists 14, with 7 on both lists. Only the iSpring RCC7AK-UV lists Barium, Cadmium, Copper, PCBs, Selenium, Asbestos and Mercury.

Which has the longer warranty, the APEC RO-PH90 or the iSpring RCC7AK-UV?

The APEC RO-PH90: 2 Years, against 1 Year.

What do owners say about the APEC RO-PH90 and the iSpring RCC7AK-UV?

Across 5 independent sources scored for both, the APEC RO-PH90 is ahead on Google, Amazon and Owner reviews; the iSpring RCC7AK-UV is ahead on Reddit; YouTube is level.

More reverse osmosis comparisons

More head-to-heads with these two, plus the full brand comparison.

Scores calculated 17 September 2026 · Products excluded where fewer than two independent sources cover them ·  · How we score

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