Portable installation
No Dedicated Faucet or Storage Tank
Connects directly to a compatible cold-water outlet and produces purified water into a pitcher, dispenser, or other clean collection container.
Alkaline / Mineral (Increase pH level and Minerals Enhancement) 5-Stage Countertop Reverse Osmosis System — 75 or 150 GPD
Price range: $119.00 through $149.00
- Description
- Additional information
- Reviews (8)
Description
Portable alkaline and mineral countertop RO
5-stage reverse-osmosis system with selectable alkaline, remineralization, or calcite post-filter
This compact countertop reverse-osmosis system connects to a compatible faucet or utility-water outlet without permanent under-sink installation. It combines sediment filtration, coconut-shell carbon, a high-rejection TFC membrane, a T33 carbon polishing stage, and your choice of three final mineral-treatment cartridges.
5 stagesRO purification + mineral post-treatment
75 or 150 GPDTwo membrane-output options
11–22 minApproximate time per gallon
1:2.4Approximate pure-to-drain ratio
Product purpose
Reverse-osmosis purification with customizable final mineral treatment
The system is intended for users who want portable RO purification together with a final cartridge that can add selected minerals or raise the pH of naturally acidic RO water. Final TDS, pH, mineral release, and taste depend on source-water chemistry, flow, pressure, and cartridge condition.
Selectable final stage
Choose the Water Profile You Prefer
Select calcite, 3-in-1 alkaline, or 4-in-1 remineralization media according to the desired taste and mineral profile.
Five filtration stages
From particle protection to final mineral polishing
1
5-Micron Sediment
Helps capture rust, sand, dirt, and other suspended particles before they reach the carbon filter and membrane.
2
T28 Coconut-Shell Carbon
Helps reduce chlorine, taste, odor, and selected organic compounds that could affect membrane performance.
3
TFC RO Membrane
Helps reduce dissolved salts, hardness minerals, fluoride, nitrate, arsenic, lead, chromium, and many other dissolved constituents.
4
T33 Coconut Carbon
Provides final carbon polishing after the membrane to improve taste and reduce residual odor.
5
Selected Mineral Stage
Choose calcite, 3-in-1 alkaline, or 4-in-1 remineralization media for the desired final-water profile.
Choose your final stage
Three post-filter options for different preferences
CAL
Calcite Post-Filter
Adds calcium carbonate and may raise the pH of acidic RO water. The result depends on contact time, source chemistry, and media condition.
3-in-1
Premium Alkaline Post-Filter
Contains listed alkaline, mineral, and ORP-related media intended to modify taste, mineral content, and pH.
4-in-1
Premium Remineralization Filter
Contains listed tourmaline, far-infrared, mineral, and maifan-stone media intended to add selected soluble minerals.
TEST
Verify the Actual Result
Use a calibrated pH meter and TDS or conductivity meter after the system has been fully flushed and stabilized.
Key benefits
Portable RO purification with selectable mineral enhancement
Reverse-Osmosis Reduction
Helps reduce dissolved minerals, salts, metals, fluoride, nitrate, and other membrane-rejectable substances.
Two Output Options
Choose 75 GPD for standard output or 150 GPD for faster collection under suitable conditions.
Selectable Mineral Stage
Choose among calcite, 3-in-1 alkaline, or 4-in-1 remineralization media.
Carbon Taste Polishing
The fourth-stage T33 carbon filter helps improve taste after reverse osmosis.
Portable Countertop Use
No storage tank, drain saddle, dedicated faucet, or permanent under-sink installation is required.
Multiple Adapter Options
Choose a standard kitchen, bathroom, garden/laundry, pull-down, or another supported connection.
Output expectations
Approximately one gallon every 11–22 minutes
Countertop reverse osmosis produces a slow purified stream by design. Actual output depends on pressure, temperature, source-water TDS, membrane condition, and flow-restrictor configuration.
Produces approximately one gallon in 22 minutes under suitable conditions, or about 2.5–3 gallons per hour.
Produces approximately one gallon in 11 minutes under suitable conditions, or about 5–6 gallons per hour.
The GPD rating is a standardized membrane rating, not guaranteed household output. Cold water, lower pressure, high source TDS, clogged prefilters, and membrane age reduce production.
Reduction guidance
What the filtration stages may help reduce
Reduction performance varies with source-water chemistry, pressure, temperature, membrane condition, cartridge condition, and maintenance. This system is intended for treated potable water.
RO membrane helps reduce
Total dissolved solids
Calcium and magnesium
Sodium
Fluoride
Arsenic
Lead
Nitrate
Chromium
Sulfate
Copper
Calcium and magnesium
Sodium
Fluoride
Arsenic
Lead
Nitrate
Chromium
Sulfate
Copper
Prefilters and carbon stages help reduce
Sediment
Rust particles
Chlorine
Unpleasant taste
Odor
Selected VOCs
Rust particles
Chlorine
Unpleasant taste
Odor
Selected VOCs
Connection options
Select the adapter that matches the cold-water outlet
STD
Standard Kitchen Faucet
Designed for faucets with a removable aerator and compatible male or female aerator threads.
BATH
Bathroom Faucet
Male or female bathroom-faucet adapters may be supplied according to the outlet thread.
3/4
Garden or Laundry Outlet
Uses a compatible 3/4″ garden-hose-thread connection for a utility sink or washer outlet.
PULL
Pull-Down or Sprayer Faucet
Requires a special adapter. The current page estimates compatibility with approximately 50% of models.
Specifications
Verified configuration and operating details
| Product type | Portable 5-stage countertop reverse-osmosis system |
|---|---|
| Membrane options | 75 GPD or 150 GPD TFC reverse-osmosis membrane |
| Stage 1 | 5-micron quick-connect sediment filter |
| Stage 2 | T28 coconut-shell activated carbon filter |
| Stage 3 | High-rejection TFC RO membrane |
| Stage 4 | T33 coconut-shell activated carbon post-filter |
| Stage 5 choices | Calcite, 3-in-1 premium alkaline, or 4-in-1 premium remineralization post-filter |
| Approximate production | 1 gallon in approximately 11–22 minutes; about 3–6 gallons per hour |
| Approximate water ratio | 1 part purified water to approximately 2.4 parts drain water |
| Recommended source pressure | Minimum approximately 40 PSI; better performance at 55–60 PSI or higher |
| Water temperature | Cold water only |
| Listed assembled size | Approximately 14 × 6 × 6 in |
| Listed shipping size | 16 × 8 × 8 in |
| Listed shipping weight | 84 oz / 5.25 lb |
| Filter replacement | Approximately every 8–12 months or up to 1,000 gallons, depending on water quality and usage |
| RO membrane replacement | Approximately every 24 months, or based on measured rejection and performance |
| SKU | Not displayed on the current product page |
Package contents
- ✓Complete five-stage countertop RO system
- ✓Selected 75 or 150 GPD membrane
- ✓Selected calcite, 3-in-1 alkaline, or 4-in-1 remineralization post-filter
- ✓Selected connection adapter
- ✓Tubing and required system connections
- ✓User manual
Water-quality expectations
Final pH and TDS vary by selected post-filter
The page gives an example of approximately 35–65 ppm TDS and pH near 8.5–9 from source water around 300 ppm. This is an example, not a guarantee.
The page gives an example of approximately 25–55 ppm TDS and pH near 8.0–8.5. Actual results depend on source chemistry and media contact time.
Flush the system for at least 4–6 days of regular use before evaluating stable taste, TDS, or pH. New carbon and mineral media can temporarily affect readings.
Filter replacement
Maintain according to usage and measured performance
Replace approximately every 8–12 months or up to 1,000 gallons, and sooner if flow, taste, odor, chlorine breakthrough, or pH indicates exhaustion.
Replace approximately every 24 months or when measured membrane rejection declines below the desired level.
Before purchase
Good to know
!
Alkaline results vary
pH 8–9.5 is presented as an example range, not a guaranteed result for every water source.
pH 8–9.5 is presented as an example range, not a guaranteed result for every water source.
!
Mineral release is not fixed
The amount of calcium, magnesium, and other minerals added depends on flow, contact time, water chemistry, and cartridge age.
The amount of calcium, magnesium, and other minerals added depends on flow, contact time, water chemistry, and cartridge age.
!
Not a microbiological purifier
Do not use microbiologically unsafe or unknown-quality water without suitable upstream disinfection.
Do not use microbiologically unsafe or unknown-quality water without suitable upstream disinfection.
!
RO creates drain water
Plan for approximately 2.4 gallons of concentrate water per gallon of purified water collected.
Plan for approximately 2.4 gallons of concentrate water per gallon of purified water collected.
!
Output is not faucet-fast
Collect water in advance. Low pressure and cold water can significantly slow production.
Collect water in advance. Low pressure and cold water can significantly slow production.
!
Pull-down fit is limited
The special adapter fits only some pull-down and sprayer faucets because thread designs vary.
The special adapter fits only some pull-down and sprayer faucets because thread designs vary.
This system is intended for treated potable cold water. Reduction, TDS, pH, mineral, and production results depend on source-water chemistry, pressure, temperature, cartridge condition, flow, and maintenance. Health, detoxification, immune-support, antioxidant, and negative-ion claims are not included in this description.
Not sure which membrane or mineral post-filter to choose?
Send the source-water TDS, hardness, pH, water pressure, faucet photos, and desired final-water characteristics.
Send the source-water TDS, hardness, pH, water pressure, faucet photos, and desired final-water characteristics.
Additional information
| Weight | 84 oz |
|---|---|
| Dimensions | 16 × 8 × 8 in |
| Membrane | 150 Gallons per day, 75 Gallons per day |
| Laststage | 3-in-1 Premium Alkaline Post Filter, 4-in-1 Premium Remineralization Post Filter, Calcite (rasie pH) Post Filter |
| Connection | Standard Kitchen faucet, Bathroom faucet adapters, Garden/laundry utility outlet, Pulldown/sprinkler type kitchen faucet, Other Connection (you can specify later) |
8 reviews for Alkaline / Mineral (Increase pH level and Minerals Enhancement) 5-Stage Countertop Reverse Osmosis System — 75 or 150 GPD
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tonyrend –
I would highly recommend this RO to customers. It reduced the dissolved solid content in my apartment tap water from 350+ to 30 within 2 hours after installation. Good solution for those who are buying water from supermarket. This will save money and time.
Joshua –
Tasty water for apartment people. I am 100% satisfied with the water and taste better. The water filtering was decent fast. Value for money.
Leonid –
I would highly recommend this filter to customers. It reduced the dissolved solid content in my apartment tap water from 300+ to 45 within 4 hours after installation. Good solution for those who are buying water from supermarket. Save your money and time as well.
Nancy –
I was actually buying water from local grocery store, it was 0.40 cents per gallon, not bad. Until one day I bought a TDS meter and realized that my RO from grocery was virtually the same as tap water. It even tasted like tap water, I was paying 40 cents a gallon for tap water, what a rip off. Then I went to Safeway. Their machine showed a TDS of less than 50 PPM and it tasted great, but cost 50 cents a gallon. Then their machine broke, and all they sold were 5 gallon jugs for $7.50. So I was paying over a dollar a gallon for drinking water. So in a little over 2.5 months I was paying about what this water filter cost.
If you buy this filter you for sure will need a TDS and PH meters. When you first start it up the TDS will be sky high until it flushes itself out and the timing on that depends on your water pressure. Start collecting water when it gets below 45 PPM. Seems like the longer you run this filter the lower the number gets and the better the water. But when you start it back up the numbers are high again for the first 20 minutes or so, I drain that off before I collect it.
Whatever you do, don’t ever drink your tap water no matter how good you think it is. I’m a retired chemist and let me tell you that there is no way to test your water for everything. Most water tests will only test the basic few parameters. For a wide spectrum of compounds you would need to spend thousands of dollars in various tests, and even then you could be contaminated with a new designer drug or something that will bypass the tests and they would never detect it. What you really want is RO water, but not with a TDS of zero, you want minerals added back. This system is the best I’ve seen, it will remove all compounds and minerals and then add back just enough to make it taste good and 100% safe.
John from Texas –
I received this 5-stage countertop RO system as a gift, and it has exceeded my expectations in terms of water purification. It effectively reduces the TDS (total dissolved solids) from 750 to 60, ensuring a remarkable level of cleanliness. Initially, I had concerns about the pH level, as my pH reader indicated that the RO water was around 6-6.5. However, the customer service representative I contacted was outstanding. They promptly addressed my concerns by sending me an alkalizing filter and a pH meter, completely free of charge. After replacing the last filter with the one they provided, I noticed a definite increase in pH.
One of the advantages of this system is its compact size, taking up minimal space on the countertop. Additionally, the installation process is incredibly easy, and replacing the filters is a breeze. Considering the affordable price point, it offers exceptional value for achieving completely purified water. The taste of the water is fantastic, comparable to, if not better than, bottled water. I wholeheartedly recommend this RO system. Not only does it provide peace of mind by offering safer water compared to systems with under-sink tanks, but the company behind it also delivers a great buying experiencev
Michael –
This is the perfect unit for a condo/apt – even for an aquarium!
Anand –
I really love this system. I have been using it approximately for 1 week. It is very easy to connect to the faucet. I read the manual that test needs to be done after 20 gallon of water passing through the system. I was able to test today. Originally my tap water TDS was 340ppm, after filtration it’s 45 ppm, pH 8.6 is little higher then I expected (my target was pH 8.5-8.7) but I cool with it. I’m happy with purchase.
JamesWrica –
Here’s the harsh truth: nearly all septic companies just service tanks. They’re like quick-fix salesmen at a demolition convention. But Septic Solutions? These guys are unique. It all originated back in the early 2000s when Art and his family—just kids scarcely tall enough to lift a shovel—helped install their family’s septic system alongside a grizzled pro. Visualize this: three kids waist-deep in Pennsylvania clay, learning how soil permeability affects drainage while their friends played Xbox. “We never just dig ditches,” Art explained to me last winter, hot coffee cup in hand. “We learned how ground whispers truths. A patch of wetland vegetation here? That’s Mother Nature screaming ‘high water table.'”
https://www.tumblr.com/septicsolutionsllc/801736577620508672/septic-solutions-llc