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APEC ROES-PH75 Reverse Osmosis System Review

Water filtration becomes the need of almost every household. Although, the reverse osmosis system with premium quality at a reasonable price is difficult to identify. After doing hours of research, we write the APEC ROES-PH75 Review to help you in making the final decision.

APEC ROES-PH75 Reverse Osmosis System

Let’s explore why its price is reasonable and why we should choose this from among other top reverse osmosis systems.

APEC Water Systems ROES-PH75 – Key Features

Amazon’s Choice



Max Total Dissolved Solids – 2000 ppm.

  • This 75 GPD 6-stage system ROES-PH75 is guaranteed to remove up to 99% of contaminants such as chlorine, taste, odor, VOCs, as well as toxic fluoride, arsenic, lead, nitrates, heavy metals and 1000+ contaminants.
  • America’s No.1 rated water filter brand with 20 years of success guaranteeing trouble free, noise-free system for long lasting, dependable, pure drinking water.

Premium long lasting filters used to treat tap/well water. APEC ROES PH-75 is the six-stage reverse osmosis system. It is designed to fit under any standard kitchen counter. It provides you the access to the high-end premium quality purified water.

This under sink water filter is almost identical to the APEC ROES-50. Although, APEC has made two changes in ROES PH-75.

APEC has increased water production capacity. This RO filter system can produce up to 75 Gallons per day. The procedure of producing one gallon of purified water, it wastes 3 gallons. The water waste Of PH-75 is far better than a lot of other systems. The system is considered efficient if it wastes water up to 3-4 gallons against 1 gallon of purified water.

Here’s the kicker:

The add-on of the remineralization stage is making this system more appealable by relatively enhancing the performance level. Apart, from having clean purified drinking water, the taste of water also matters. This step added minerals back into your water to let you avoid acidic water. It increases the pH level to more alkaline.

The Existence of APEC from the last many years and the reputation ensures that you are going to have the high-end premium quality water filtration system.

Ultra-pure Drinking Water

APEC ROES-PH75 is the best Reverse osmosis system, to have access to the Ultra-pure fresh drinking water. It eliminates the bottled water from your home.

Bottled water has toxins, even if they have nixed BPA. Bottled water claims that they are providing chemical-free water. Although, according to research the chemicals can seep out if bottles are uncovered in the heat for a long time. Now, it’s up to you if you want to do an experiment with yourself.

Ultra-pure Drinking Water

APEC ROES PH-75 removes all the possible contaminants from your feed water. After removing the 99% of contaminants from the water it facilitates you with refreshing mineral water.

Obviously, it will ultimately improve the taste of your food, tea, coffee.


All RO systems waste some amount of water before producing purified water. The water waste ratio depends on the feed water pressure and temperature. Much Reverse osmosis systems waste even 20-24 gallons of water. Obviously, these sorts of systems will get your money silently out of your pocket. Moreover, this amount of wastage is really weird for most of us.

APEC ROES-ph75 has the capacity of producing 1 gallon of purified water by wasting 3 gallons. You can even reduce it more by using the permeate pump (add-on). Although, the systems with the wastage equal to 4 or less are considered as efficient.

You can use the wastewater in other activities. It just needs a little bit more tubes and the effort to re-route the water where you want to. Most people always use this water in gardening. Now the decision is yours.

Filtration Process

APEC deploy 6-stage filtration in ROES-PH75. The first 5stages of filtration are identical to APEC ROES-50. Although, Re-mineralization is an add-on in this model of APEC.

Before introducing you to the re-mineralization stage. Let’s have a quick recap of the first 5 stages.

The first three filters are known as the pre-filters. They are capable of removing small particles and contaminants from the water.

1st pre-filter removes the dust and sediments from the water. Next 2 pre-filters are responsible for removing chlorine, odors, etc.  Pre-filters are incorporated in Reverse osmosis systems to extend the life of RO-membrane.

Filtration Process

RO-membrane is the 4th filtration stage, it removes all the remaining contaminants from your feed water. APEC ROES-PH75removes 99% of contaminants from water at this stage.

At the 5th stage filter clean the storage tank by removing all the wastes from it. These industry-standard size filters have higher contaminants rejection rate.

After these stages, the Remineralization stage comes into action. It restores all the beneficial minerals into the purified water. It enhances the taste of your water. Obviously, the improved taste is also important along the purified water. It makes the water to be more alkaline, but the era of bland and acidic taste is no more.

Filter Replacement

The lifespan of filters is crucial because it directly impacts your cost of ownership. The premium quality filters have higher chances to survive for a long time. APEC ROES-PH75 filters are capable of, to be with you for a long time. You don’t even need to be more intelligent for replacing filters. They are easy to change but your consciousness is required.

Pre-filters are required to be replaced after every 6 months. The RO-membrane and the post filters have the capacity to lasts for 2-3 years. This duration may change, it all depends on the feed water quality.

Inside The BOXRecommended Tools For Installation
  • RO System head with pre-installed membrane
  • Pre-filters in 3 housings
  • Storage tank
  • Faucet with washers and nuts
  • Feed water adapter 3/8” – 1/2″ with needle valve kit
  • Drain saddle for waste water
  • 3 Color tubing 1/4″
  • 1 Tanks ball valve
  • 2 wrenches for opening filters and membrane housing
  • Variable speed drill
  • Drill bit: 1/4” (for the waste line), 1/8” (as pilot, not mandatory), and 1/2″ (for standard faucet hole, air-gap faucet requires 1 & 1/4” hole)
  • 5/8”, 9/16” open-end wrench, or adjustable wrench, pliers
  • Philips screwdriver
  • Utility knife
  • Teflon tape


So, finally you have luckily made the decision and the system is in front of you. You don’t need to call any professional or a plumber to set up under your counter.


Believe yourself, you can do it even if you have not involved in this sort of work in the past. It can be installed within 1-2 hours. It has a quick-connect fitting feature and the tubing are color-coded, to bring more simplicity in the process.

It is suggested to read the manual for actually starting the installation process. The instructions manual is well-written and they have explained every part in it. If you are not interested in reading the whole manual, you can have a look at stepwise structured videos (Available onYouTube).

The system inside the box is fully the USA assembled and has all the essentials for installation but it is recommended to keep a screwdriver, wrench, and drill along you.


  • Ultra-pure fresh mineral water
  • Add-on of remineralization stage
  • Long lasting filters
  • Noiseless
  • Assembled in the USA
  • Ease of installation
  • Limited warranty of 1 year
  • Trouble free system
  • Clear instructions manual


  • Filters are incorporated in the housing, makes it a little bit difficult to replace
  • Almost 1 hour is required to fill the empty storage tank

Final Thoughts

The add-on of the remineralization stage and increased capacity of producing purified drinking water is making this system more appealable. The contrast features are convincing people to give a try to this system.

The initial cost is a little bit higher than ROES-50. But itis not overpriced. It worth spending money on this system. If you don’t want again and again in your filtration system, then it is one of the best choices to go with.

The maintenance cost is lesser than many systems but the task of maintenance requires a little bit more effort from you. You can purchase it without any hassle. It will never let you regret it. We hope, now you have all the essential knowledge about this Water filtration system. Do you have anything more to share or ask?  Let us know!

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