APEC ROES-50 Reverse Osmosis System Review

APEC is serving in this industry for over 20 years. During this period they got a lot of attention from customers and introduced many models of reverse osmosis systems. But APEC ROES-50, the part of Essence series is highly praised by the people.

APEC ROES-50 wins the hearts of every customer but it is crucial to mention here that before making a decision you should read complete APEC ROES-50 Review. In this review, we have breakdown all the benefits associated with this RO filter and mentioned all the requirements that this system fulfills.

APEC ROES-50 Review

APEC ROES-50 ReviewThe water before reaching to our faucet picks many pollutants and contaminants all the way. To treat water for drinking or for any other use, APEC ROES-50 is one of the best budget RO filter.

This under-sink system is manufactured and assembled in the USA. This factor ensures you about the quality of components and the quality of produced water.

APEC ROES-50 has the basic 5 stage filtration process and the performance of its filtration process outperformed many competitors. Its price is a little bit higher from competitors but the quality, performance, and customer support service value the money you pay.

The quality of filters is unchallenged and removes up to 99% of contaminants from water. It wastes 3 gallons of purified water to produce a single gallon of water. It has the capacity of producing 50 GPD.

APEC ROES-50 is an under-sink RO system that can be easily installed by anyone. After occupying some space under your sink it can deal efficiently with almost every kind of water like well water, municipal water, soft water, and hard water.

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Water production

The water production of any system depends on Feed water pressure and the temperature. APEC ROES-50 produces 50 gallons per day at 60 psi. This amount of production may vary a little bit due to feed water pressure and temperature. But this amount of water is enough for even larger families. Although, if you want even more water output with identical features, APEC RO-90 will be the best fit for you.

Its storage tank comes with a capacity of 4 gallons. Again, the duration to fill the tank depends on pressure. Usually, this storage tank can be filled within 2-3 hours. You are not going to have a shortage of purified water. You don’t have to keep an eye on it, it has an automatic shut off valve that will not condone water wastage.


Efficiency is one of the most important factors to consider before choosing the Reverse osmosis system.

The efficiency of RO water filters is measured with the wastewater ratio. The less the wastewater ratio is, the more efficient the system is. The system with a larger ratio costs you a lot indirectly in the long run.

APEC ROES-50 has a ratio of 3:1. In simple words, it will flush 3 gallons of water to produce a gallon of purified water. This ratio is acceptable as many competitors of this Water filter system has a ratio between 19:1 to 24:1.

APEC ROES-50 does not accumulate any additional costs that you have to pay indirectly. With this efficiency, it is considered a relatively inexpensive water system in the long run.

Filtration system

APEC ROES-50 handles the purification process efficiently with 5 stages filtration system. The water of every kind can be treated efficiently, can remove 99% of harmful contaminants from your water.

Its filtration process is identical to many other RO water filters. All the dust and rust removed from the water at the first stage. 2nd and 3rd stage filters the chlorine and chemicals from water which are harmful and cause odors in water. 4th stage enhanced the purification by removing all the possible hazardous contaminants like lead, radium & bacteria from water. At the final stage, the filtration process eliminates residual wastes from water.

The replacement of filters depends on how often you use the RO water filter. The feed water quality and pressure. Water temperature also affects the lifespan of filters. It is recommended by the manufacturer to replace the stage1 – stage 3 filters after every 6 months. Stage 4 & 5 filters can last for 2-4 years. You can get the replacement filters at a reasonable price.

Have a look at how to replace the APEC ROES-50 filters for keeping its performance at the maximum level.

Inside the BoxInstallation tools
  • Instructions manual
  • 3 pre-filter housing
  • Ro membranes and 5th stage filter already installed
  • Luxury chrome faucet
  • Wrench to open pre filters
  • Color coded tubing
  • Membrane wrench to open and close RO membrane cap
  • Feed water adapter
  • Drain saddle
  • Tank ball valve
  • Faucet adapter
  • Teflon tape
  • 4 gallon pressurized storage tank

Here are some recommended household tools that you should have for installation.

  • Power drill
  • Adjustable wrench
  • Screwdriver


APEC ROES-50 is under counter reverse osmosis system. But it can be installed at any place where you have a water feed line. Before installing this water system, keep in mind to leave some room of space for replacing filters in the future. This system does not have an indicator to let you know when the filters need to be changed. You can check it with the help of TDS meter.

The installation of the system does not require any certification or professionalism. Anyone can install it within 1 hour with some basic DIY skills. Even the instructions manual is well written, you can take help from the manual.

Installation Learning Resouces


  • Noiseless operation
  • Accessible price
  • Ease of installation
  • Average maintenance cost
  • Excellent life time technical support
  • Chrome faucet
  • 1-year limited manufacturer’s warranty
  • Manufactures in USA
  • High-quality components & are NSF certified.
  • 50 gallons of purified water is below average for many families
  • Filters are little bit difficult to replace
  • Filter replacement indicator in not included

Final thoughts

This USA manufactured RO water system can be easily fit underneath the kitchen sink. APEC ROES-50 is attracting more customers because of its features. But obviously, it may not be the choice of everyone.

The durability, high-performance feature and the customer support team is satisfying its customers. But most of the people have a concern about maintenance. You have to be proactive for maintenance and the filters are a little bit difficult to replace as they are in the housing. Its maintenance cost is far good from other rivals because of the reasonable price of replacement filters.

It is recommended and becomes a part of our 10 best reverse osmosis system list because of its accessible price, average maintenance cost, quality, and durability.

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Here are some other 5-Stage reverse osmosis systems, that might be of interest. We have reviewed them too for you.
Have a look at:


We have covered every aspect of this product that you must know, Do share it with your friends too if you have found it useful. 

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