APEC ROES-50 RO Water Filtration System Review

    APEC Top Tier 5-Stage R/O Under Sink Unit

    Best Price-Performance Ratio: APEC ESSENCE ROES-50

    •    Price: $
    •    Filter Stages: 5
    •    Gallons per Day: 50
    •    NSF Standard:
    •    Annual Costs: ~$75.00
    •    Warranty: 1 Year

    This review features APEC’s highly popular ESSENCE ROES-50 reverse osmosis water filtration system. We are going to cover all the pros and cons, talk about installation and maintenance requirements + costs, and in the end give you our final verdict.

    The system uses 5 filter stages to provide delicious drinking water that’s also great for making coffee.

    • Stage 1: At Stage 1, we have a basic 5-micron sediment pre-filter that removes stuff like dust, particles and rust. Due to its large capacity, the filter needs fewer changes than regular models, which saves you time and money.
    • Stage 2/3: Stage 2 and 3 use an identical 10-micron carbon block filter that eliminates chlorine, tastes, odors, cloudiness, VOCs and other chemicals/pharmaceuticals.
    • Stage 4: At stage 4, a semi-permeable RO membrane comes into play. The membrane is capable of removing up to 99% of all contaminants that are left in the water, such as toxic lead, arsenic, radium and fluoride. In addition, the membrane significantly reduces TDS and a range of waterborne pathogens.
    • Stage 5: Whenever you draw water from the storage tank, it flows through a coconut shell refining filter first, to get rid of any residual tastes.

    The APEC ROES-50 requires a minimum operating pressure of 40 psi. If the water pressure in your home is below that threshold, you have to expect poorer filtration performance.

    The recommended maximum operating pressure is 85 psi. Anything above that is likely to cause damage to the system and increases the chance for leaks.

    What We Like

    As you can already tell from the name, the ROES-50 is rated at 50 gallons of filtered water per day. So no matter how much water you use for drinking, cooking and to wash your car (just kidding), capacity, water flow and the 4-gallon storage tank should be 100% sufficient.

    By the way, 4 gallons is much more than what you get with most other RO units. Also, the system will automatically shut off once the tank is full, which takes a minimum of 3 hours.

    According to APEC, the system is suited for treating tap AND well water. Plus we like the fact that it’s affordable and noise-free during operation.

    Last but not least, this system is backed by a 1-year limited warranty, free lifetime customer support from real U.S. technicians, and excellent customer feedback.

    System Installation

    As with most RO units, installing the APEC ESSENCE ROES-50 is fairly simple – the system uses quick connect fittings for peace of mind. Now obviously, this is 100% subjective and depends on your previous plumbing experience and also if you have the right tools at hand or can get them from somewhere.

    In any case, everything you need including a detailed instruction manual are part of the package. Plus you can count on APEC’s online installation videos that provide easy-to-follow instructions for DIY.

    This is part 1 of a 5-part video series:


    Parts List

    • RO module with filter and membrane housings
    • 4x filter cartridges
    • TFC RO membrane (0.0001 micron)
    • Drain saddle
    • Water storage tank (4 gallons, white)
    • Tank stand
    • Tank valve
    • 360° rotatable chrome faucet
    • Color-coded tubing
    • Teflon tape and other accessory parts
    • feed water adapter (½″ and ⅜″)
    • Filter and membrane housing wrenches

    Filter/Membrane Replacements

    Both filters and RO membrane are long lasting, which means that maintenance requirements are super low.

    But the system works with housings rather than a modular design. In other words, if you want to replace one of the filters or the membrane, you will have to open the housing first. Since water flows through it, you would do good to have a bucket at the ready. Things can get a little messy, but not too much.

    On the upside, the total annual replacement costs are acceptable. They probably won’t exceed $75. Most modular replacement filters are much more expensive.

    Here’s how often you will have to change each component as per manufacturer specifications:

    • Sediment pre-filter: Every 6 to 12 months
    • Carbon pre-filters: Every 6 to 12 months
    • RO membrane: Every 2 to 4 years
    • Carbon post-filter: Every 2 to 4 years

    As always, you should take this as a rough guideline. How long every component will last in your home depends on your water usage and also on the contamination level of the feed water.

    APEC ROES-50 Water Filter System

    What We Don’t Like

    Here is what we don’t like:

    • We saw reports about filters starting to leak after a couple of months use. Furthermore, the cheap plastic fittings might force you to replace them to prevent water damage, incurring additional costs.
    • The chrome faucet does exactly what it’s supposed to do. We just don’t like the design. And the “APEC WATER” emblem on its side doesn’t help either.
    • Another concern that we have with this water filter system is that it’s NOT certified for contaminant removal. All APEC provides is a rough range of reduction rates.

    Our Verdict

    The strengths of this APEC water filter system is that it’s (A) affordable, (B) low in maintenance, (C) provides enough water that (D) tastes great.

    Our verdict for this Amazon best seller: 4.5 out of 5 stars!

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    If you have any questions about the APEC ESSENCE ROES-50 or any other filter system really, please don’t hesitate to leave a comment below!

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