Applied Membranes Inc. 5-Stage Reverse Osmosis Review: Who It Fits and Who Should Skip It
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This applied membranes inc 5 stage reverse osmosis review focuses on a system designed for under-sink installation. It produces 50 gallons per day using five filtration stages. The setup includes a 5-micron sediment filter, two carbon-block filters, an RO membrane, and a GAC polishing filter. These components target chlorine and sediment removal. The unit measures 15 by 18 by 27 inches and weighs 23.2 pounds. It includes color-coded tubing and adapters for 3/8-inch and 1/2-inch lines. The brand states all products are made in the United States.
What stands out
- Five-stage filtration process removes sediment, chlorine, and other contaminants.
- Produces 50 gallons of filtered water daily.
- Includes adapters for both 3/8-inch and 1/2-inch sink feed lines.
- Uses coconut shell carbon filters to improve taste and odor.
Who it fits
Good fit for
You should consider this system if you need a standard under-sink RO unit with a 50 GPD output. It suits households with 3/8-inch or 1/2-inch feed lines who want to remove chlorine and sediment. The included wall-mountable brackets and color-coded tubing simplify installation for DIYers. If you prefer US-made components and a straightforward 5-stage setup, this listing provides the necessary hardware for basic under-sink filtration.
Who should skip it
Skip this model if you require more than 50 gallons per day. The data lists a 100 GPD variation, so check that option if your household demand is higher. This system does not mention an alkaline stage, so avoid it if you want pH-adjusted water. It also lacks a built-in storage tank in the listed specs, meaning you must account for space for separate tank components if they are sold separately. Check the full package details before buying.
Verdict: This system offers a standard 5-stage filtration path with a 50 GPD output. It fits typical under-sink spaces and includes basic installation hardware.
Key specs explained for this system
Capacity (GPD): 50
This system produces 50 gallons of filtered water each day. This output level suits most households for drinking and cooking. You will not run out of clean water during busy meal prep. If your family is large or you entertain often, this capacity meets standard needs. Larger systems offer more volume, but 50 GPD is a common baseline for under-sink units.
Filtration Stages: 5
The unit uses five distinct steps to clean your water. It starts with sediment removal, followed by two carbon filters for chemicals, the RO membrane for contaminants, and a final polish. This sequence ensures thorough purification. More stages generally mean better quality. You get clean water without needing multiple separate filters or complex setups.
Micron Rating: 5
The first filter captures particles as small as 5 microns. This blocks sand, rust, and dirt before they reach sensitive parts. Protecting the RO membrane from clogging extends its life. You do not need to replace filters as often. This rating is standard for initial sediment protection in most residential reverse osmosis systems.
Design: Under sink
The entire unit fits inside your kitchen cabinet. It keeps your countertop clear and out of sight. The system connects directly to your existing water lines. You get filtered water from your regular faucet. This design saves space. It is ideal for homes where counter space is limited or you prefer a minimalist look.
Design and build details
According to the listing, this system is built for under-sink placement. The physical dimensions are 15 inches wide, 18 inches long, and 27 inches tall. The unit weighs 23.2 pounds. These measurements mean you need a cabinet with enough vertical clearance and floor space. The compact footprint fits standard kitchen sinks, but you must measure your specific cabinet before buying.
The design uses a vertical layout to save counter space. The listing notes it includes wall-mountable steel brackets. This feature helps secure the system and prevents it from shifting. The color-coded tubing simplifies the connection process. You can identify each line quickly during installation without guessing. This reduces the chance of cross-connections.
The brand states all products are made in the United States. This construction choice may matter if you prefer domestic manufacturing. The system does not list external controls or displays. Operation is passive, relying on water pressure to push water through the five stages. You do not need to manage settings. Maintenance involves replacing the filters and membrane as needed. The design prioritizes simple, reliable function over digital features.
Setup and everyday use details
The listing states that installation is straightforward and includes all necessary components. You receive adapters for both 3/8-inch and 1/2-inch sink feed lines, which covers most standard plumbing setups. The package also provides wall-mountable steel brackets and color-coded tubing to simplify the connection process. This means you can attach the system securely under your sink without hunting for extra parts.
Daily use begins with the five-stage filtration process. Water first passes through a 5-micron filter to remove sediment particles. It then moves through two carbon-block filters designed to eliminate chemicals like chlorine. The reverse osmosis membrane purifies the water further, and a GAC flavor-polishing filter handles the final stage. This sequence ensures that the water you dispense is free from sediment and chlorine, as noted in the contaminants removed list.
With a capacity of 50 gallons per day, the system supports typical household needs. You can use the filtered water for drinking and cooking without worrying about running out during busy times. The carbon filters are made from coconut shells, a renewable resource that helps remove taste and odor effectively. Since the unit is designed for under-sink placement, you access the clean water directly from your existing sink tap. The setup keeps the filtration hardware hidden while providing easy access to pure water whenever you need it.
Before You Buy This RO System
Before you buy, check your cabinet space carefully. This unit measures 15 by 18 inches and stands 27 inches tall. You need vertical clearance for the tank and filters. Also verify your sink feed line size. The system includes adapters for 3/8-inch and 1/2-inch lines, but you must ensure your home plumbing matches these standards. You will need to replace filters regularly to maintain water quality. The five-stage process relies on the sediment, carbon block, and RO membrane working together. If your water has high sediment, the 5-micron pre-filter helps, but you may need to change it more often. This model sits in the middle of the available options. It offers a standard 50 GPD output, which is less than the 100 GPD variation but more than basic units. Choose this if you want a proven, under-sink design without needing a large footprint. It fits well for families who drink moderate amounts of water daily. Ensure you have room for the storage tank and easy access for maintenance.
Check before you buy
- Measure cabinet height for 27-inch clearance
- Check sink feed line size compatibility
- Confirm space for storage tank
- Plan for regular filter replacements
The product at a glance
Applied Membranes 50 GPD 5-Stage RO System
Best for: Standard 50 GPD household filtration needs
- Filtration Stages
- 5
- Capacity (GPD)
- 50
- Design
- Under sink
- Filtration Type
- Reverse osmosis
- Contaminants Removed
- Chlorine, sediment
- Installation Type
- Under sink
View on Amazon: Applied Membranes 50 GPD 5-Stage RO System Affiliate link
This under-sink system delivers 50 gallons per day through five filtration stages. It uses a 5-micron pre-filter and carbon blocks to remove chlorine and sediment before the reverse osmosis membrane. The unit measures 15 by 18 by 27 inches and weighs 23.2 pounds. It includes color-coded tubing and adapters for 3/8-inch or 1/2-inch feed lines. You get clean water without plastic bottles.
Pros
- 50 GPD output capacity
- 5-stage filtration removes chlorine and sediment
- Includes adapters for 3/8-inch and 1/2-inch lines
- Color-coded tubing simplifies installation
- Made in the United States
Cons
- Lacks a dedicated storage tank in the listed specs
- No alkaline remineralization stage included
- No post-filter for taste polishing beyond GAC
Good fit if
- You need a 50 GPD output for daily use
- You want a system made in the United States
- You prefer a straightforward 5-stage filtration process
Skip if
- You require more than 50 GPD output
- You want alkaline water added to the mix
- You need a compact system smaller than 15 inches wide
Verdict: Applied Membranes 5-Stage 50 GPD RO System fits households needing reliable, US-made filtration with a 50 GPD output. It suits those who want simple installation with included adapters and do not require alkaline remineralization.
Specifications side by side
| Spec | Applied Membranes 50 GPD 5-Stage RO System |
|---|---|
| Filtration Stages | 5 |
| Capacity (GPD) | 50 |
| Design | Under sink |
| Filtration Type | Reverse osmosis |
| Contaminants Removed | Chlorine, sediment |
| Installation Type | Under sink |
| Micron Rating | 5 |
| Capacity | 50 GPD |
| Dimensions | 18 × 15 × 27 inches |
| Weight | 23.2 pounds |
| Size | 50 GPD Output |
| Model | AAA-RO50W |
Frequently asked questions
Is the Applied Membranes 50 GPD system alkaline?
No, this system does not include an alkaline remineralization stage. It uses a five-stage filtration process that ends with a GAC polishing filter. This setup removes contaminants without adding minerals back into the water. You get clean, filtered water suitable for drinking and cooking.
What is the model number for this unit?
The model number is AAA-RO50W. This identifier corresponds to the 50 gallons per day capacity version of the system. You can use this number to verify compatibility with replacement filters or to locate the specific product listing for additional details.
Does this system include adapters for installation?
Yes, the package includes adapters for both 3/8-inch and 1/2-inch sink feed lines. This covers most standard household plumbing setups. You also receive color-coded tubing and wall-mountable steel brackets to help secure the components during the under-sink installation process.
How heavy is the complete system?
The unit weighs 23.2 pounds. This weight includes the tank and all filtration components. You need a sturdy cabinet shelf to support this load. Ensure your under-sink space can handle the weight without sagging or damage over time.
What filtration stages are included in this system?
The system features five distinct filtration stages. It starts with a 5-micron sediment filter, followed by two carbon-block filters. The fourth stage is the RO membrane, and the fifth is a GAC polishing filter. This sequence removes sediment, chemicals, and dissolved solids.
Is this system suitable for large families?
The 50 GPD output is best for standard household needs. It suits families who primarily use filtered water for drinking and cooking. If you need high volumes for ice makers or large pots, you might find the capacity limiting during busy meal prep times.
Where should I install this system?
This system is designed for under-sink installation. It measures 15 inches wide, 18 inches long, and 27 inches tall. You need sufficient vertical clearance in your cabinet to accommodate the tank and filter housing. Check your space dimensions before purchasing.