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Mr. John

Expensive but definitely worth it. I happen to be blessed with actually pretty good tap water in Western Washington, with my TDS meter I got a reading of 80.0-90.0 TDS unfiltered tap water. It is pretty high in chlorine though. After setting up with very easy to understand instructions I measured my now filtered tap water and got readings in the 0.5-0.8 TDS range! Talk about pure water. Of course, the chlorine odor was gone and it was tasteless. I purchased the waste reduction option but did not have the time to try it out. It does waste allot of water as the only downside I can think of, but I use that water on my lawn so it is really not wasted.

Kevin E.

Very easy to set up and very effective. I have a ppm monitor in my outlet tube and it is consistently between 2-4 ppm. it also neutralizes the ph making it the perfect water for my garden.


Set up instructions made this a breeze to use. It took me about 7 hrs to fill a 40 gallon drum.

My tap PPM is 235-ish. Using the 1to1 ratio filtration my PPM is now 13. HUUUGE improvement.
Overall very happy with unit.

Jared Caliendo

I own the RO100 and RO200 units. Both are made with the quality that I would expect. Great RO units, never had a problem with either of them. I also purchased the 1:1 ratio waste reducer and have been more then pleased. I havent noticed any degradation to the membrane nor filters with the 1:1 waster reducer. Don’t be fooled by the generic RO units out there, this one here is the real deal. Would definitely recommend to anybody looking for a quality RO unit.


This by far one of the best investments I've made . The wife and I have been dragging water jugs in for a while and thought there has to be a better way. So I done some research and this was the answer. We are on a private well and the water is really bad. Full of iron with a ppm reading of 780 and ph 7.6. When I installed this unit our end product went down to 10 ppm and ph at 5.7!!!! Unreal. When I first hooked it up there was a small leak at one of the fittings that I just couldn't get sealed . Called customer support and they offered to ship a new unit If I wanted them to. To speed things up after agreement on my part they shipped my a new housing unit right away. Installed it in no time and everything works flawlessly.

No more lugging water into the cart then the car then in the house. Best thing I purchased in a while.


The water in Las Vegas is super hard, tastes bad and is just not good at all. We have an RO system in the kitchen but we use that water for drinking and cooking (if you try to use it too much it regenerates really slow).

I got this for my photography darkroom and for cleaning. For film and paper developing I know it is important to have good water, and with this I went from water with a PPM of around 500ppm to under 10 ppm. It works GREAT at removing everything you do not want in your water.

The wife uses this RO systems water for the mop, and it leaves the floor so much cleaner and Streak-free compared to regular tap water.

I would highly recommend this system to anyone concerned with lowering the ppm in their water.

For us.. we are around 40psi.. and it takes about 9 minutes to fill a gallon of water.. or about 50 minutes to fill a large 5 gallon water jug.


This works better than going to the store to buy water for your aquarium. Takes my ppm from 200 to about 9 and it flows faster than I could imagine than the cheap ones from home depot or Lowes that are about 12 gallons per day. I can fill 5 gallons in about 45 minutes.


I bought this item based on a lot of positive online reviews. I was very excited to get it up and running. There was a little hiccup when I first installed my system. My source water is very high in TDS -- around 500 ppm. Once it was fully installed and I did all of the necessary flushes, the unit was only reducing the TDS to around 400 ppm. Something was wrong and I couldn't figure out what since I followed the directions precisely. Hydro-logic makes it abundantly clear to contact them if you have any issues whatsoever, and that's exactly what I did. I spoke to Dan. He was sure that there was something wrong with the membranes and offered to pay to have the unit returned or to send me two new membranes. Opted for the new membranes. Sure enough, once I replaced the factory membranes my poms dropped from 480 all the way down to 40. I’m not sure what was wrong with the other membranes considering that they didn't look damaged or anything. But it's working and I couldn't be any happier! Thanks so much for your help. It's nice to see such great customer service!


Works very well. I'm getting 2-10ppm water coming out. Was 300+ going in. I use a big-boy pre-filter. So glad I did. Great tasting, clean water. Good for you and your plants.


I consider this a great product.

The taste of our drinking water unfiltered makes it very clearly "city water", with myriad chemical flavors. The taste after going through the filter is absolutely pure and flavorless. It fills a five gallon jug in about 28 minutes in a home with a normal PSI.

As far as upkeep: Cleaning the sediment filter is a two minute process which you shouldn't have to do more than a few times a year. Other than that I've not done anything. Two years after purchasing it I'm doing my first replacement, replacing the original R/O membranes.

If you're looking for a filter I can't speak to the quality of the other ones but I'm very happy with this and would it again if required to remake the decision.