APEC Ultra High Capacity Under Sink Water Filtration System Plus Scale Inhibitor – Premium Quality US Made Filter (CS-2500P)

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1. GR Jack Verified Buyer – 6 October 2024

   Excellent overall. After two weeks, the water quality and taste is excellent. No leaking. Very much enjoy this filter, particularly it’s relatively high 1.75gpm flow rate. One downside was: To connect to most new faucets, this should provide a 3/8 to 3/8 threaded union (male to male). Cost me an extra $8 at the hardware store 🤷🏻‍♂️.

   

2. Geek Noob Verified Buyer – 8 October 2024

   Simple to install. Took longer to clear out some space to work and to setup a cushion to lay on while installing. We used to buy bottled water to drink and purified water for coffee. That got expensive, at least $5 a week, so $250+ annually plus lots of plastic. The city water just didn’t taste good to drink. With this filter, we no longer have to buy water to drink. It will pay for itself in less than 6 months. Filter life is yet to be determined. I think it will do well given our usage. Regardless, for the convenience of not having to lug home jugs of water, I’m happy even if it was just break-even cost.

   

3. nevadavet Verified Buyer – 29 October 2024

   This is a good water filter. It is easy to mount under a sink, or elsewhere, but you may need a plumber to help with the hookup depending on your particular installation and plumbing skills. The best feature is the ease of changeout of filters; quarter turn off, quarter turn on with good O ring seals, not gaskets. We use this with a “T” off our cold water line to a separate APEC faucet for drinking and cooking water. We do not filter the entire cold water supply with this unit. We recommend the higher level of filter, the “P” unit for Particulates. ( We would recommend a reverse osmosis filter if you are on a well or other doubtful water supply.) We are not on a well, but our local water system just does the minimum required testing, suffers from aging pipes and needs to chlorinate heavily so filtered drinking water is a must. And, the water tastes GREAT. Also, the manufacturer maintains a “chat” line for customer service which I did use with good results.

   

4. Erica Cutter Verified Buyer – 9 November 2024

   Works as advertised. Changing filters is easy
   

5. Pamela C. Verified Buyer – 4 February 2025

   The unit works perfectly. The filters are bit. Easy to install. Not leaks. The only complaint is I needed this unit right away because we couldn’t turn water on with this hooked up. I ordered from apecwateroutlet.com for quick delivery. It was supposed to be delivered on Saturday. The facility is only 45 minutes from where we live. I call c/s. And they assured me that it would be delivered Sunday. But I could see from tracking that it didn’t leave the facility all day. So I called in and she said it would definitely Be delivered by 10 pm. And the website wasn’t updated. It never came Sunday. It was delivered late this morning. I should have went to Jome Depot or Lowe’s it would have been quicker.
   

6. Andy Anh Nguyen Verified Buyer – 14 February 2025

   I used a water tester on my tap water which showed a reading of 272 ppm. After installing the filter and flushing it for about 5 minutes, the supposed filtered water was actually worse than the tap water and showed a reading of 280 ppm. It appears whatever is inside the filter is being released causing more pollution in my water. Not recommended!!!

   

7. J Ryan Verified Buyer – 21 March 2025

   Says in the description that it filers out heavy metals. When tested with my TDS reader, the reading was as high as the plain tap water. Filtering out dissolved solids was very important for me. Contacted the manufacturer and was told it only filtered chemicals such as chlorine and fluoride. Ended up returning it.
   

8. Sarah Verified Buyer – 28 March 2025

   
   

9. Bea Y. Verified Buyer – 1 April 2025

   Easy to install and good flow rate.
   

10. Jan M. Verified Buyer – 1 May 2025

    Final Result is 6 Stars for Good Tasting Water EDIT on TASTE After testing this filter installed on the existing kitchen faucet for two weeks… he taste dramatically improved over the “tap water” with has excessive levels of chlorine, chloramine, and other ingredients added by city. Then I added a new separate single line cold water faucet just for this Apec filter. Dramatically improved the taste and scale reduction. Likely down to having all new lines and new faucet and aerator. Be aware that this Apec does not remove the dissolved minerals so it will not affect the TDS readings . However in my case the existing minerals are still there and water tastes good. The hard water aspect of excess Calcium and Magnesium is “conditioned” by Apec filter to reduce scaling but not removed. If the “scale reduction conditioning” from the CS-2500P only lasts for the predicted life of 1000 gallons, the better taste should still be there for 5000 gallons by removing chlorine, I’ll know for sure in 6 to 12 months. First Review after Installation + Installed to the cold water line on existing kitchen faucet. 10 minutes. Used teflon tape. + Opened the cold water faucet. No leaks. Let it run for 10 minutes to get air out of the filter and lines. Afterwards, slightly cloudy water, but cleared up in a glass less than a minute. It’s just micro air bubbles. 2 days no cloudy, no bubbles. + Taste Test: Apec Filter VS Original City water. Taste like RO water, with a hint of mineral taste. No more chlorine taste. No more aftertaste. + Scale Inhibitor Works: see photos. Heated water in Microwave 3 minutes in two Completely Clear glass containers. Left Photo us original city water in 1 cup. On Right is Apec filtered water in large container + Hard Water Limescale accumulation occurs with heated water. The Apec 2000P is rated for 1000 gallons of scale inhibiting. 5000 gallons for removing Chlorine, Odor, Various Chemicals. + Better Tasting Water – What matters most to me, and it passes my test for my water supply. Secondarily it also works for getting rid of LimeScale inside my electric kettle, pots on stove, and microwave containers. How long the filter actually lasts time will tell. I did not test with a TDS meter. This filter will not remove calcium, magnesium or other minerals which are dissolved solids in my city water supply. With this filter removing he excessive chlorine, flouride, chloramine, it tastes 10 times better, with a slight mineral taste. For me taste is great and better buy than the Reverse Osmosis water I was buying in bulk for 35 cents a gallon which has TDS rating of 1 Initial Review before Installation Purchased (CS-2500P) but not installed yet, but will return to update this review; I do a thorough job researching all products I consider. Two items seem to flummox most buyers looking for a better water supply. Better Taste: The bad taste from tap water in most city water supplies is primarily from high levels of Chlorine and Chloramine, any filter with Activated Carbon removes most of it. Bad taste can also be from undissolved solids including algae/bacteria/organic solids, unlikely to see this is municipal water supplies. Activates silver components in some Filters can remove most of that if present. A Brita pitcher covers all this pretty well for better taste Hard Water: 90% of US water supplies contain dissolved minerals you cannot see. TDS meters show Total Dissolved Solids. “Hard Water” solids are primarily a higher % of Calcium and Magnesium creating Scale accumulation, aka LimeScale, showing up in plumbing pipes, fixtures, dishes, glasses, pots, and coffee makers, water heaters. Excessively high Calcium and Magnesium affects Taste factor for most people. Excessive levels shorten life of appliances. Water Softeners: These actually remove solids (TDS) including Calcium and Magnesium by using Ion Exchange flushing water through resin materials. Benefits for excessively hard water supply… no scaling, better taste. Negatives are high cost and large amounts of Salt used to back-flush the Resin particles to remove the minerals. All this salt water goes down the drain. Reverse Osmosis (RO): These also soften water by removing solids and removing sediment/bacteria/algae/etc with pre-filters. Water tastes like plain water with no mineral content. Undersink systems have various Pros and Cons. Water Conditioning for Hard Water: This concerns the (CS-2500P). And conditionin Filter contain a layer of polysulfate crystals which breaks apart the larger solids into micro-crystals still dissolved in the water. The claim is better taste and less scaling. This do not remove any solids, only changes the size. Your satisfaction will vary depending on the amount of Calcium/Magnesium in your water supply The Apec (CS-2500P) filter should: + Remove 97% of chlorine with its bad taste + Remove 95% of organic material including bacteria/algae IF that is in your water supply. + Condition the water with plyphospates or polysulfate. Which will inhibit/reduce scaling and potentially give better taste. NOTE: your Satisfaction from any filtration system depends on the composition and quality of your Water Supply

    

11. Bodee Christman Verified Buyer – 7 June 2025

    Solid water filter, fair price!