APEC Water ROES-PH75, 6-Stage Alkaline Under Sink Reverse Osmosis Water Filter System, NSF Certified 372 & 58, 75 GPD, Reduces 99% of Impurities

This water filter system is simply AMAZING! The installation is simple, yet hard. Let me explain. The instructions are clear and the steps are simple, plus there are numerous instruction videos on YouTube you can watch before getting started. Nevertheless, working in the very restricted space under your sink is a real pain in the you know what. However long you think it'll take to install, double it! Here are my tips: Put Teflon tape on EVERYTHING before getting under the sink. Ever try to apply Teflon tape with one hand completely outstretched and bent 90 degrees and you can see the work area with only one eye with only half of you flashlight on it? Yeah, it's as hard as it sounds. The drain saddle has fitted indents to hold the nuts in place. Pop them in beforehand so you wont need to use a wrench to hold them in place while you tighten the screws. Also, use something to poke through the drain saddle and the hole you made in the drain line to keep them lined up. I used a small drill bit, but something like a chopstick would also work. A pen or pencil will be too thick. Make sure you have another person to help you install the faucet. It is impossible to sufficiently tighten the nut under to sink to keep the faucet firmly in place without someone holding the faucet to keep it from spinning. I did attempt to pad a set of vice grips to hold it, but after a few spins they simply slipped off. I didn't want to clamp down the vice grips very tightly for fear of damaging the faucet. So right now my faucet is loose and can spin around, but the system still works just fine. When the wife and kids return from their weekend trip I'll have the helper I need to tighten the faucet correctly. The instructions say to wait 2-3 hours for the storage tank to fill before running it for 5 minutes to empty it. Mine was easily filled within 2 hours. I drained it for 6 minutes then waited another hour and drained it for another 5 just to be sure I flushed out any sediment or carbon from the new filters. The final test was with the taste of the water, which was GREAT! I recently moved to San Antonio , TX and the water here has a very noticeable and unpleasant chlorine smell and taste, even after passing through the activated charcoal filter built into our Whirlpool refrigerator (which prompted us to purchase this RO filter in the first place). When I compared a small glass of water side by side from the frig water dispenser and this RO system the difference was like night & day. I am VERY pleased with the results. Now I want to purchase the refrigerator kit to extend the water from the filter to the refrigerator. Unfortunately my sink is directly opposite the refrigerator in my kitchen and I doubt the water pressure will be sufficient to push the water halfway around the room. However, the results are so good I may just purchase another system and stick it under the cabinet next to the refrigerator.

This product literally changed my life! Back in the day I had to go the rite aid on a monthly basis, find Poland Spring boxes, haul them home in the trunk of my car, carry them to the second floor. Then same thing over and over again every month, carrying 5-6 boxes of Poland Spring up the stairs to the second floor. Also, I became a bit concerned with the fact that I throw out more than 100 plastic bottles per month. That is when I started doing my research. At first, I wanted to go with a BRITA pitcher (or PUR) but then after doing so much research I came to realization that those filters do make tap water better, but still not healthy enough for me and especially for my newborn. At first, under sink water systems were out of the question for me because I did not want to deal with finding a plumber, doing major plumbing overhaul in the house which I rent and pay top dollar for this. I was very fortunate to stumble upon this product and after reading all of the reviews I am very happy that I purchased it. The item comes in a big white box labeled APEC. Unboxing it was fairly easy so no need to write too much about it. The top layer of the package consists of 3 filters, then in a middle is 4th stage membrane filter and the piece that goes on top of the filters. Also, there is a wrench that helps tie the filter. There are also color coded tubes, faucet, adapter, drain saddle, teflon tape, etc. On the bottom there is another box with the water tank. In order to install the item you will need a drill, adjustable wrench and a screw driver. Installing 3 stage pre-filters is fairly easy, just follow the instruction as to which filter goes where and then screw them into the arrowhead using the included wrench to tighten the housing, but don't over tighten it too much. Installing the system under the sink is easy if you follow instructions carefully. One thing to note is that instructions are also available in the video format on youtube - just search for APEC water filter installation video. Although installing the item is fairly easy and the video shows that too, the difficult part is spending an hour or two under the sink, which can get very uncomfortable. Also, would be great to have someone help you because it is a bit difficult getting under the sink and out then back under again. The video makes it sound much easier that in real life. To install the feed water adapter you have to turn off the cold water (check that you turned off the cold water by turning on the faucet). I recommend turning off both hot and cold water just to be sure. Then you need to loosen the nut at any location and connect feed water adapter there - you can either loosen the nut at the top where the faucet is or at the bottom where the valve is, either is fine. Be careful - that adapter edges are very sharp and I cut my hand twice by accident. Also, don't forget to use teflon tape that is provided. Now the drain saddle - you need to use a specified size drill (refer to instructions) and drill a hole in the drain pipe. You need to drill in the horizontal pipe to avoid drain noise. If you do it correctly you will never hear the filter system working or making noises. Keep in mind that you need to apply pressure on the drill so that it goes through the pipe. Then you need to align the hole on the saddle to the hole on the pipe. I am not going to comment on installation of tubes so please refer to instructions - just don't want to confuse you. Last step is to install the faucet - you can either drill a hole in your counter but I used the spray hose hole instead. I removed spray hose (you disconnect it under the sink and pull it out, make sure that the water is turned off. Then I put the faucet that came with APEC through that hole. Once you are ready and everything is assembled, I suggest emptying at least 5 tanks of water. To do this, just wait till the tank is full and then open the faucet to let the water drip until it stops and repeat that 5 times. Now, in terms of water quality and taste. I got APEC ROES PH75 which is the same thing as ROES-50 but great tank output (75 vs. 50) and PH filter which you can either use or not use. There is a way to bypass it and you can call APEC support, they are great they can guide you through the process. For extra $20/$30 I decided to go with ROES PH75 - and I love it. You also get more output from your tank. And if you ever decide not to go with PH filter you can bypass it. At first, the water tasted a bit bitter to me, especially compared to Poland Spring but then either I got used to it or flashed a few tanks. Now the water taste is perfect, I absolutely love it. It replaced Poland Spring and I had it for a few months and everyone loves it. I also bough glass Life Factory bottles and love them too! I also bough HM Digital TDS (ppm) meter to check the water quality. Since this PH filter (6 stage) adds minerals back the ppm will not be zero, I am getting around 10. Tap water in NYC is pretty good at about 50 ppm and Poland Spring is roughly 20ppm. If you are considering PH75 or non-PH 50, I suggest going with PH75. It has better gallons per day output and comes with PH filter. If you don't like that filter you can easily bypass it. The water tastes great and this filter definitely improved by life. Thanks to APEC, Amazon and to all the reviewers who contributed to the great rating of this product, which in turn resulted in me buying it!

The APEC ROES-PH75 is the third RO system that I've owned. In the past I had an Aqua King AK40 and a Pure H2O 5-stage system. Of all these three, the APEC system is the best I've had so far. Price: I purchased the AK40 system for $2500 dollars (with filter replacements costing circa $250/year) and the Pure H2O system for $150 (with filter replacements costing $50-60/year). The APEC system cost a little more than the Pure H2O system, but far less than the Aqua King. Noise: The AK40 system had to be flushed at least once a week and was pretty noisy during a flush. It also would make some noise while refilling in high quantities. The Pure H2O system made sucking and draining noise all the time. It was so obnoxious that guests would get distracted during a conversation. I have not heard the APEC system make a sound (besides when I initially turned on the water flow to the system). Water flow: The AK40 system had good water flow and would slow down proportionately with the quantity of water in the tank. The Pure H2O system was overall slow. This system is high water flow up until the tank is practically empty. Installation: The AK40 system took around 2 hours to install with difficult instructions. The Pure H2O system took 1 hour with good instructions. This system took 1 hour with good instructions. The filters were easiest to replace in the following order from easiest to hardest: Pure H2O, APEC, Aqua King. Taste: Of the three systems, I would rank the taste in the following order from best to worst: APEC, Aqua King, and Pure H2O. The Alkaline filter makes a big difference in taste. Durability: I can't speak for the durability of this system yet, but have not had any issues with leaking during installation. The Aqua King served me for about 8 years and had issues with leaking once in a while. The Pure H2O system gave up the ghost after 1.5 years, when it started leaking from multiple places one day (even though I replaced all filters every 6 months). Overall, I am impressed with the performance of this system and would recommend it to anyone looking for a good RO system.

I’ve been using the APEC Reverse Osmosis Under Sink System for several months now, and I couldn’t be happier with its performance. From the moment it was installed, the difference in water quality was immediately noticeable. The taste is crisp, clean, and refreshing, making both drinking water and ice cubes far superior to what we were used to with our tap water. The installation process was straightforward and well-documented, even for someone who isn’t particularly handy. The system fits neatly under the sink, and the compact design doesn’t take up too much valuable space. One of the standout features is the five-stage filtration process, which effectively removes impurities and contaminants. I have peace of mind knowing that harmful substances like chlorine, lead, and other heavy metals are being filtered out. The water is not only safe to drink but also enhances the flavors of coffee, tea, and cooking. Maintenance is also a breeze. The filters are easy to replace, and the system includes clear indicators for when it’s time to change them. This ensures that the water quality remains consistently high without much effort on my part. Overall, the APEC Reverse Osmosis Under Sink System is an excellent investment for anyone looking to improve their home’s water quality. It’s reliable, efficient, and delivers on its promise of providing pure, great-tasting water. I highly recommend it to anyone looking for a top-notch water filtration system.

I have owned this set for 3 months so far and I am 100% satisfied. Initially, I went to the Costco for the water solution and got a quote of 4-stage RO + Softener system cost thousands of dollars. After some online research, I figured out that buying online and getting it installed by a local plumber could be a better decision and for most home users a good RO system is typically the only thing you need for cleaner drinking water. Eventually, almost every online review article I ever read lists two systems as their top picks, APEC ROES-50 and iSpring RCC7 5-stage. I almost decided to purchase the latter but eventually picked APEC brand since it claims it is all USA made. Also some reviews mentioned that the 1st stage transparent filter case of the iSpring looks beautiful but somehow could be easier to break which pushed me also towards to APEC. Finally I picked ROES-PH75 instead of ROES-50 since I want the flavor but be aware if you have any health condition please skip the mineral addition. After the order arrived, I contacted a local plumber to drill a hole in my kitchen sink and install the RO and he did throw away some of plastic connectors came along with the system and used his own copper connectors during the installation. Note that in the picture showing the final installation, there was a leak prevention tray added by the plumber for $25 which will shut the water input if the sensor detects the water inside the tray (not included by APEC). The installation took about 1 hour and seemed to be easy. But after 3 weeks, I saw water flowing out of the cabinet under the sink, wondering why the leak tray didn't take effect to shut the water off, I finally found out that it was leaking from the water tank connector shown in the picture. I immediately contacted the APEC with photos and got quick response with some instructions on how to fix it and told APEC will send a replacement for the top connector. I shut the system off and two days later the replacement part arrived but turned out to be a wrong part. I wrote back and again got quick response that they would send the correct one again. Two days later, I received the correct part and called the plumber again since I found out that he reversed the 5th and 6th stage filters. After the fix, I haven't experienced any issues so far and it has been providing clean and tasty water for the whole family to drink and cook. Overall, the product is really a good one. Before my tap water was measured at 280+ ppm but the number dropped to 20+ right after the installation. I hope APEC could have several minor enhancements to make the product better 1) use better connector parts (metal over plastic) 2) better labeling for the 5th/6th to avoid confusions 3) provide an alternative faucet with brushed nickel finish (on this I like iSpring's one better) 4) add a water leak detector

Up until the pandemic, we had been using a large volume of bottled water every week. Since it has become risky to return to the store every time we are out of water, it seemed logical that a reverse osmosis system would mitigate that risk. Installation of the APEC system was not difficult, and I spread the work out over two afternoons. The first afternoon was spent boring a hole in our granite countertop. I used a Milwaukee 1" diamond hole saw purchased at our local home improvement store. I followed the recommendations found on YouTube for boring granite. I made a circular well around the drill site with plumbers putty to hold cooling water for the hole saw. This worked out well in terms of eliminating all of the granite dust and in keeping the hole saw cool. In keeping with the hole saw directions, the hole was started by boring at a 45 degree angle until the hole saw caught the granite. Then, the hole saw was carefully raised to vertical to complete the boring operation. The 1" hole was barely large enough to accommodate the air gap faucet that I purchased to replace the faucet that was supplied with the APEC RO unit. I would recommend boring a 1 1/4" hole. The faucet that I used was a Kingston Brass Concord Collection KSAG8198DL Reverse Osmosis System Filtration Water Air Gap Faucet. It has a long lasting Ceramic Disk Cartridge. I selected an air gap faucet to protect the APEC RO membrane from a drain backup. This is the same protection provided for dishwashers. Because the RO discharge water has to pass through the faucet air gap, the air gap inlet uses the supplied 1/4" tubing, but the air gap outlet uses 3/8" tubing. I ordered some John Guest 3/8" Food Grade Polyethylene Tubing from APEC. The discharge quick connect drain saddle supplied with the unit is 1/4" and that had to be replaced with a 3/8" drain saddle, also available from APEC. That requires that a 3/8" hole be drilled in the sink drain line. The drain tubing should be cut as short as possible while still providing serviceability. If the drain tubing forms a large loop below the level of the drain saddle, the air gap will not drain properly, and discharge water will leak from the air gap onto the countertop. Please note that this drain line requirement is only true when an air gap faucet is used. If the APEC supplied faucet is used, there will be no air gap and no air gap leak problem will occur. When connecting to the supply needle valve, it is important to remember to slide the compression nut over the supply tubing first, then the sleeve and tubing insert. Don't over-tighten the compression nut on the supply needle valve. All of the items described above can be ordered from Amazon. Installation went smoothly by following the detailed instructions found in the installation manual. After installation and system flush I measured dissolved solids of 19 ppm. I am told that anything under 100 ppm is excellent. With a new the calcium carbonate pH+ filter the water pH measured 9.3 which is alkaline. That's exactly what we were looking for. That pH is the same as is found in premium bottled waters. You would have to pay around $16.00 a gallon for those. The maintenance schedule is clearly defined in the installation manual, and the replacement intervals will depend upon the raw water quality. Whenever installing or replacing the filter elements, disposable gloves should be used in order to prevent the introduction of bacteria into the system. One thing that I did not find in the installation manual was an end-to-end sanitization procedure to be performed when it is time to replace all of the filters at roughly a 1 year interval. For that you will have to look for guidance elsewhere. Bacteria has a tendency to grow on charcoal media and that may be why APEC offers a UV lamp solution on some of their systems. APEC cautions not to inject chlorine into the system to clean it. That will destroy the RO membrane. However, whenever the filters are replaced, the housings should be thoroughly cleaned with soap and water. A few words about water pressure after reinstalling the system at our new home that is on a private well. There are times when the water pressure drops below 40 PSI and the RO system will run continuously for hours at a time. In order to mitigate this problem and to conserve water, we ordered a water driven permeate pump from APEC. APEC maintains that it will work to pressures as low as 30 PSI, and I will revise this review as soon as I have had an opportunity test it. The downside of any RO system is that is discharges more waste water than the amount of pure water it produces. That can increase the amount of water being drained into a septic system if there is one in use. If a water softener precedes the RO system, the salt that the RO system removes will be discharged into the sink drain. That will discharge some amount of salt into the septic tank. In such cases it may be better to discharge the RO system drain line outdoors and into a dry well along with effluent from the water softener. Draining brine into a septic system is never a good idea, and in many locales it is prohibited. One other problem that we experienced during reinstallation was that the needle valve on the water supply inlet side would not shut off. It appeared as though the needle valve had become pitted or corroded during its brief 4 months of use in Florida. It became necessary to replace the needle valve that is only available by buying a complete standard feed adapter. Next time it happens, I will buy a different style of adapter that incorporates a different type of valve such as a ball valve. These are available from other RO system suppliers on Amazon. A few words about radon. Since writing the original review, we have moved to a house that is on a private well. We moved the RO system with us. The water softener that is ahead of the RO system introduces sodium that is very easily removed by the RO system. Our well water also contains dissolved radon gas. The small charcoal filters that form a part of the RO system are not effective for removing radon gas from well water. If there is radon in the water, it should be removed before the the water enters the RO system. Then, the radon will be concentrated in a larger activated charcoal filter at a location far from the kitchen where the RO system is usually installed. Large activated charcoal tanks are available that will provide radon mitigation for the whole house provided that the dissolved radon concentration is less than 5,000 pCi/l - in our case 3,760 pCi/l. For dissolved radon levels greater than 5,000 pCi/l water aeration and outdoor venting is recommended, although these systems can also promote bacterial growth.

I replaced a pay by month RO water system, and so glad i did this is much cheaper in the long run. I did a lot of research looking for the best quality RO System. I found APEC Water here on Amazon. The listing, clear details and pictures sold me on it. Arrived a few days later thanks to Amazon Prime. I saved it for a weekend project as i did not know how much time it would take. To my surprise, it was mostly assembled including most of the hoses. I really liked that the whole thing is freestanding too so i did not have to mount anything. Just slid everything in there. It took me and my wife helper about 1.5 hours or so to install. But i really took my time on every step. Once i had everything connected, i had one small leak at the Needle Valve connection. Fixed quickly by an extra turn. All of the connectors are like those Shark Bite connectors. Super easy. Just push them in and done. Cant believe they work so well and so simple but they work great. Taking them off is a little tricky but also easy to do. The plastic hoses taht come with it or 1/4" diameter. Color coded hoses red, yellow, black and clear making following instructions easy. Instructions are very clear with pictures, and full contact info to APEC WATER is right on the back of the booklet, that is always important to me. Most companies hide their contact info not APEC. I did not need any help but nice to know they would be there if i did. I have no CONS really except i was a little disappointed they did not included a 1/4" T connector to tap into my ice maker line. Shows it in the instructions as optional. I think as cheap as they are they should have just included it. No big deal i ordered those on Amazon too. I just have to crawl back under my sink again in a couple days. TIPS TO OTHERS: - Read the directions carefully and follow to the letter. Dont lose a single part, some of them are tiny. - Make sure to leave plenty of room on the hoses to you can move it out when replacing filters. They are extra long so ok to cut some but not too much. - When you cut hoses, make sure not to smash the ends or it will restrict water flow. - Put several wraps of teflon tape where it says to, i did 3-4. - Do not over tighten anything it is easy to break the plastic connectors. - Make a note of the the link to the replacement kit here on Amazon and put a reminder in your calendar 6 months or a year from now to remember to change. I plan on doing mine every 6 months. - I got the 6 stage as it included the PH filter which creates Alkaline water. This is suppose to be good for cancer prevention i read as it cannot survive in an alkaline environment. Solid high quality product very happy with my purchase. LenO

The product was ordered to replace an existing RO system we had been using for years. A leak in the line with the existing RO water system prompted me to call for repair and when the cost of the repair was quoted at over $250, I was motivated to look at other options. After researching multiple RO systems and customer reviews, I found multiple positive reviews from customers that had APEC systems. I decided to get this particular model because it has a pH balance filter and because the higher GPD (75 GPD) figure for water production. We use water for cooking as well as for drinking and the higher capacity is preferred. When the unit arrived and I was in the DYI install process I noticed that the faucet was chrome and that we had brushed nickel finish on all of our other faucets and controls. I live in Southern California and thought that I might make a trip to the APEC facility to do a swap of the faucet. Well I had a very good conversation with customer service and while they were not able to provide a "swap" program for chrome to brushed nickel, they did an excellent job in getting a brushed nickel faucet out to me at a very fair price. I am installing it now! I am extremely impressed with the quality of the customer service staff at APEC as they easily clarified the hose connection differences between the standard and air-gap faucet. The only difficulty with the installation was that the waterline connection to the faucet runs through a plastic connection junction that is very difficult to find at the local hardware store. Why would I be taking a trip to the hardware store? Shouldn't all the parts be included with the installation kit? YES, they are. But one part broke during installation. I included a photo of the broken part. I was unable to find a replacement part at Lowes, Ace, and even at Orchard. There were lots of options online, but I wanted it the same day so that I could complete the installation. Ultimately, I found some spare parts from earlier water line installations (that I keep around) and was able to configure the simple installation that you see in the photo. Only a compression-thread end-nut (the correct 1/4 thread) and a ferrule were required. I would have preferred using the installed line connector, but this is also a good no-leak install. The capacity and flow rate of the new system are extremely good. I was a bit concerned about the dark carbon-colored water that emerged on the first tankful (that you express and toss away) but that is something that I believe may be normal as the filters and system settle for continuous operation. The water emerging from the system now is very clear and it tastes good also. We have been doing side-by-side testing with water retained from the older RO system and while they both taste good, we prefer the APEC system's water better. I'm glad it passed our discriminating taste test!

Delicious water. Definitely recommend.

I was researching a long time about RO systems, which to buy and which would have a better taste in water quality... We used to buy water from Canadian Tire, and it was amazing quality water... BUT I didn't like the fact that we always had to carry bottles into the house and store them and change out bottles. After that we switched to Zero Water Filtration system for our water cooler. It fit our water cooler perfectly and worked a long time, until one day the cooler broke and started leaking all over our kitchen floor. So I was on the search for a replacement. Then I came across this unit! What an amazing quality RO System this unit is! Absolutely loving it. Would definitely recommend it anyone who is looking to replace it for bottled water. It's easy to install, all the lines are color coded and the water tastes amazing. I would never purchase anything else. APEC Water Systems are made in the USA!!! Top quality, excellent tasting water, good value for your money! What more do you want? Buy it, enjoy it. It's amazing! Definitely recommend this one! Don't buy any cheap garbage made in China!

Awesome filter . using it on a old 50 year house with awful smelling water on copper pipes. I used a plumber to install and he was able to use the supplied manuals to read installation. Also able to use most of the parts supplied but plumber used AU standards plumbing connections to drain which feels more hygienic than using the stock drilled fitment. has to be drained a fair around 20 mins in startup to clean the cloudy water from the remineralization stage. I also paid extra to connect it to fridge water/ice dispenser. Only downside is I paid more price for it and it is cheaper now in amazon

The installation instructions were clear. Everything was included in the box. The water tastes great. What more could one ask? FYI, when you use the product for the first time it will be full of tiny bubbles. Give it a few days and they'll all work themselves out of the system and you'll have non-cloudy water.

This unit was replacing my previous 25 year old reverse osmoses system so all the fittings were already in place., Twenty minutes work to replace the tank, hook up the pipes and it was running. Water tastes even better than it did with the old unit but total Dissolved Solids are a bit higher because this one adds calcium at the end.