Waterdrop G5P500 Reverse Osmosis Water Filter, NSF/ANSI 372 Certified, 7 Stage Reverse Osmosis System, 500G RO Water Filtration System, 2:1 Pure to Drain, Reduces TDS PFAS, BPA Free

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1. 4.6 out of 5 stars Verified Buyer – 18 April 2024

   Setup First off, I live in an area with very poor water quality. The water is poor in terms of hardness and overall TDS. These are the two primary attributes that affect taste and can easily be measured. A simple TDS meter can be had for less than $15 on waterdropoutlet.com. Hardness/scaling is generally noticed by water spots on your dishes, and white or green crust that builds up on your faucets. Water from my tap tested at over 500 TDS which is extremely bad. Installation As far as the installation, it really is quite simple. When they say an average person can install this in 30 minutes, they are being accurate. I took my time reading through all the instructions and watching the video installation and probably finished in no longer than 45 minutes. A simple drill should be all you need. Drilling a quick hole in the drain pipe & installing a slot for the included water faucet, if you don’t already have one, are the only things that may give you pause. These are covered in the manufacturer’s YouTube video and I felt more than comfortable after watching it. Many people likely wouldn’t need to drill a slot for the faucet, but I did. They give you a sizing circle but I actually went much smaller as the actual faucet is smaller than indicated by the sizing circle. Results As originally mentioned, my water tested at over 500 TDS. Using the highest quality Samsung fridge filter from WaterDrop my TDS dropped by about 100 and was in the low 400’s, which is still quite high. After completing draining I tested my water at approximately 100, which was higher than expected. As I ran the water a bit longer I saw it drop further. After running through some cycles the faucet started producing water that tested as low as 40 in terms of TDS. This is extremely good in terms of where I started. The system claims to reduce TDS by about 90% or more and that’s right where I am at. If you have a better starting point, your results should be even better. Other Thoughts Overall I’m thrilled with this little device. My in-laws have a traditional R/O system that takes up the entire cupboard under their sink. Doing some research, these can have issues with mold growth if left unused for any sort of prolonged period. I feel much better with this system and it fits in nicely aside my waste disposal unit. This system has a water waste ratio of 1:1 meaning that for every one cup of filtered water you produce, you produce one cup of water waste that goes down the drain. This is actually substantially better than most systems I’ve seen but worth noting if you care about that. It produces a sort of low hum when in use but I actually kind of like it. It lets me know it’s working. I drink tea almost every day and now I finally have good water that won’t cause build up on my electric kettle. The taste is akin to bottled water as well. Additional Considerations One of the things that bugs me is that my fridge produces ice that ends up flaking in water. As it melts you can tell there are clear particulates in your water. These are termed as “harmless” and should just be minerals that are in your pipes but I definitely don’t like it. Going forward I may pick up a second unit to hook up behind my fridge. The only challenge would be figuring out how to connect direct to the unit since it would not be directed to the included faucet. Overall I think this is one of the best purchases I’ve made in the past year and have been happily using the system for over a month now.

   

2. matthew g. Verified Buyer – 9 November 2024

   1st time after i installed it..i drank and drank..wow..its water..thank you
   

3. Butch Cloud Verified Buyer – 15 November 2024

   The unit arrived on time and was well packaged. The installation was simple and was completed without any problems. It worked as advertised, and we are delighted with the product.
   

4. Syed L. Ali Verified Buyer – 13 January 2025

   I purchased waterdrop g2 to replace my ispring rc77ak, hoping by what waterdrop had put on description.
   To sum it up it wastes more water then the reverse osmosis tank version.
   TDS they say removal is 90% it’s more like 50%.
   And TDS creeps up every time you get glass of water , only way to lower TDS is to run waste water for a while then get a glass of water then you may get 90% TDS removal.
   I contacted waterdrop and they say it’s a common problem with the thankless reverse osmosis.
   Plus water flow is no better than the reverse osmosis tank version in fact I feel it’s slower.
   

5. Robert Verified Buyer – 16 January 2025

   Great 👍
   

6. lon3volf Verified Buyer – 13 February 2025

   G5P500 is one of the base models released in 2025. Doesn’t come with fancy dispenser with display indicating TDS.
   It’s a 7 stage filtration system, designed via just physical 2 filters that you replace, a CF filter good for about 1000 gallons or about 6 months. And RO membrane filter good for about 4000 gallons or 24 months of use.

   Setup and install is easy, roughly takes about 30 mins if you got all the tools with you.
   This is a tankless design so takes up lot less space under the sink however requires power to run as water is filtered and dispensed. Requires an outlet and draws a max of 2 amp power.

   It’s capable of maintaining pressure however long you need for daily use.
   The pipes come with pre-drawn lines as to how far you have push them into the unit to ensure no leakage.

   Once installed you have to run it for 30 minutes for the first run, lights would be blinking during this time and go solid once ready for actual use.

   There are no other visual indicators other than the lights however it supposedly beeps once the time comes for filter change.

   Really good for the price, worth the money.
   Water tastes really good and I’m sure some independent labs will test it out for quality.
   

7. Brydom33 Verified Buyer – 12 March 2025

   It says what it does and does what it says. With that being said, 12 seconds to fill a water bottle is a long time. Your about 4 minutes to fill a gallon jug. I use this on pre filtered, softened well water. I am hoping that making less waste water pays for itself over time being my house is on a bladder pressure tank. The taste is slightly different from my other RO system I replaced. But it got better after a few gallons had been run thru it after the start up procedure.
   Now onto the install….
   Once I uninstalled my other RO system and returned my plumbing back to normali-sh, installing this system was pretty simple. It does however require an outlet under the sink so you can plug it in (which you probably have for your garbage disposal). That’s where the trouble comes in. Depending how that outlet was wired will determine if this will work. My outlet was wired so that its only hot when the wall switch is turned on (aka garbage disposal). SO until I could get an electrician friend over we just unplugged the garbage disposal and left the switch on to use the water drop. Only time will tell how well it holds up. Got 7 yrs out of a whirlpool RO unit. It’s been in a few months now and were adjusted to it.
   

8. Anonymous Verified Buyer – 18 March 2025

   The filter is so pricey I don’t know how long it last the filter or how many months I using the filter or I’m turning back to bottles
   

9. Open Minded Verified Buyer – 7 April 2025

   Wow, what great water quality. Installation was not as easy since I had to get an adapter to make it fit and eventually the adapter started leaking so I had to get a professional plumber to install it but honestly really water quality and space saving. Know that it does have a sound when the water is pouring but I would buy it all over again. Great value for the money. No smell. Very functional.