As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure

APEC Water ROES-50 or APEC Water Systems Ultimate Series Top? Which APEC Water Model to Buy

Latest update:

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

This comparison of the apec water roes 50 vs systems ultimate series helps you choose the right unit. Both are under sink reverse osmosis systems designed for home drinking water. They share a similar footprint and focus on removing impurities. The main difference lies in output speed. One model produces 50 gallons per day. The other delivers 90 gallons per day. This capacity gap affects how quickly you can refill containers.

Key differences

AspectAPEC ROES-50 5-Stage Under Sink ROAPEC RO-90 90 GPD Chrome RO System
Capacity50 GPD90 GPD
Filtration Stages5not listed
Certificationnot listedWQA
DesignUnder sinkUnder sink

Which one should you choose?

Choose APEC ROES-50 5-Stage Under Sink RO if

  • You prefer a system with clearly defined five-stage filtration.
  • You want a standard capacity that fits most under-sink cabinets.
  • You value the inclusion of a brushed nickel faucet.

Choose APEC RO-90 90 GPD Chrome RO System if

  • You need faster water production for large pots or pitchers.
  • You want independent certification from WQA for peace of mind.
  • You prefer a chrome faucet finish over brushed nickel.

Verdict: Choose the ROES-50 if you prioritize known filtration stages and a brushed nickel faucet. Pick the Ultimate Series if you need higher daily output and third-party certification. Both models handle under-sink installation effectively.

APEC ROES-50 vs RO-90 Comparison

Daily water capacity

Edge: APEC RO-90 90 GPD Chrome RO System

The APEC RO-90 produces 90 gallons per day, while the ROES-50 offers 50 gallons per day. Higher capacity means you can fill larger containers or run the faucet longer without waiting for the tank to refill. This matters if you have a large household or use filtered water for cooking frequently. The RO-90 handles higher demand better. The ROES-50 is sufficient for typical small families. You should choose based on your daily usage needs.

Filtration stages

Edge: Tie

The ROES-50 features a 5-stage filtration system. The RO-90 does not list a specific stage count in its provided data, though it is a reverse osmosis system. Both remove up to 99.99% of impurities, including arsenic, chlorine, lead, and fluoride. The ROES-50 explicitly mentions protecting against PFAs and microplastics. Without clear stage data for the RO-90, you cannot determine if one offers more filtration layers. Both provide ultra-pure drinking water from the tap.

Certification and testing

Edge: APEC RO-90 90 GPD Chrome RO System

The RO-90 is tested and approved by WQA (Water Quality Association). This certification provides independent verification of its performance claims. The ROES-50 is designed, engineered, and tested in-house by APEC Water. While in-house testing ensures quality control, it lacks the third-party WQA seal. If you prefer independently verified performance data, the RO-90 has a clear advantage. The ROES-50 relies on the manufacturer's internal standards.

Physical dimensions

Edge: APEC ROES-50 5-Stage Under Sink RO

Both units fit under most kitchen sinks. The ROES-50 measures 15.5 inches in length, 17 inches in height, and 5.25 inches in width. The RO-90 is slightly longer at 16 inches, with a height of 17.5 inches and the same width of 5.25 inches. The RO-90 is also slightly taller. These differences are minor, but the ROES-50 has a smaller footprint in length and height. Check your under-sink clearance carefully before installing either model.

Faucet finish

Edge: Tie

The ROES-50 includes a brushed nickel faucet. The RO-90 comes with a chrome designer faucet. The choice depends on your kitchen hardware style. Brushed nickel offers a matte, modern look that hides fingerprints. Chrome provides a shiny, classic appearance. Both are lead-free and designed for safe drinking water. Your preference for the faucet finish should align with your existing sink fixtures. Neither finish is objectively better; it is a cosmetic decision.

Which APEC Reverse Osmosis System Fits You

High-volume household needing fast flow

Our pick: APEC RO-90 90 GPD Chrome RO System

The RO-90 delivers 90 gallons per day, nearly double the ROES-50’s 50 gallons. This higher capacity allows you to fill large containers or run the faucet longer without waiting for the storage tank to refill. If your family uses significant amounts of drinking water daily, this system reduces wait times and ensures a steady supply during peak usage.

Budget-conscious buyer wanting complete kit

Our pick: APEC ROES-50 5-Stage Under Sink RO

The ROES-50 includes a brushed nickel faucet, water tank, and installation kit in the box. The RO-90 listing does not explicitly confirm the inclusion of a tank or faucet, which are often sold separately or vary by variation. If you want a known, complete package with visible components included, this model offers clearer value for your initial setup needs.

User prioritizing third-party certification

Our pick: APEC RO-90 90 GPD Chrome RO System

The RO-90 is tested and approved by the Water Quality Association (WQA) for impurity removal. This independent certification verifies its performance claims. The ROES-50 data states it is tested in-house but does not list third-party certification. If you prefer systems verified by an external standards organization for safety and efficacy, the RO-90 provides that documented assurance.

Small kitchen with limited space

Our pick: APEC ROES-50 5-Stage Under Sink RO

Both units share a 5.25-inch width, but the ROES-50 is slightly shorter at 17 inches tall compared to the RO-90’s 17.5 inches. It also weighs 24.9 pounds. If your under-sink cabinet has tight vertical clearance or weight constraints, the ROES-50’s marginally smaller footprint and included tank may fit your specific installation space more easily.

The products compared

APEC ROES-50 5-Stage Under Sink RO

Best for: standard households needing reliable 5-stage filtration

Filtration Stages
5
Capacity (GPD)
50 GPD
Design
Under sink
Certification
NSF/ANSI 372, NSF/ANSI 58
Filtration Type
Reverse osmosis
Contaminants Removed
Arsenic, chlorine, lead, fluoride, PFAS

View on Amazon: APEC ROES-50 5-Stage Under Sink RO Affiliate link

The APEC Water ROES-50 is a 5-stage reverse osmosis system designed for under-sink installation. It delivers 50 gallons per day and removes up to 99.99% of impurities, including arsenic, lead, and PFAs. The unit measures 15.5 by 17 by 5.25 inches and weighs 24.9 pounds. It includes a brushed nickel faucet and storage tank. This system suits households seeking reliable, DIY-friendly filtration with quick-connection fittings for straightforward maintenance.

Pros

  • 50 GPD capacity for daily household use
  • 5-stage filtration removes 99.99% of impurities
  • Quick connection fittings simplify DIY installation
  • Includes brushed nickel faucet and storage tank

Cons

  • 50 GPD output is lower than high-flow alternatives
  • Requires under-sink space for tank and filters
  • No smart monitoring or leak detection in base model

Good fit if

  • You need a standard 50 GPD system for a family
  • You prefer DIY installation with color-coded tubing
  • You want a complete kit with faucet and tank

Skip if

  • You require high-flow output above 50 GPD
  • You lack under-sink space for the 15.5-inch unit
  • You want built-in smart monitoring features

Verdict: APEC Water 50 GPD Under Sink RO System is a solid choice for standard households needing reliable 5-stage filtration and easy DIY setup. It fits well if you prioritize proven impurity removal and a complete hardware kit over high flow rates or smart features.

APEC RO-90 90 GPD Chrome RO System

Best for: High output households needing certified purity

Capacity (GPD)
90 GPD
Certification
WQA
Filtration Type
Reverse osmosis
Use
Drinking Water
Color
Chrome
Dimensions
16 × 5.25 × 17.5 inches

View on Amazon: APEC RO-90 90 GPD Chrome RO System Affiliate link

The APEC Water RO-90 is a 5-stage reverse osmosis system with a 90 GPD capacity. It features WQA certification to remove arsenic, lead, and fluoride. Large super capacity filters reduce changeouts. The unit includes a chrome faucet and quick-connect tubing. Its compact 16 by 17.5 inch footprint fits under most sinks. It suits households needing high output and certified purity.

Pros

  • 90 GPD output capacity
  • WQA certification for impurity removal
  • Large super capacity filters
  • Chrome designer faucet included

Cons

  • 2 year manufacturer coverage
  • Requires registration for warranty

Good fit if

  • You need high daily water output
  • You want WQA certified filtration
  • You prefer a chrome faucet finish

Skip if

  • You require a longer warranty period
  • You need a system under 50 GPD
  • You prefer a brushed nickel faucet

Verdict: APEC Water RO-90 90 GPD Chrome delivers certified purity and high capacity for families. It fits users who prioritize WQA standards and fast flow rates over extended warranty terms.

Specifications side by side

Spec APEC ROES-50 5-Stage Under Sink RO APEC RO-90 90 GPD Chrome RO System
Filtration Stages 5 not stated
Capacity (GPD) 50 GPD 90 GPD
Design Under sink not stated
Certification NSF/ANSI 372, NSF/ANSI 58 WQA
Filtration Type Reverse osmosis Reverse osmosis
Contaminants Removed Arsenic, chlorine, lead, fluoride, PFAS not stated
Installation Type Under sink not stated
Capacity 50 GPD not stated
Use Drinking Water Drinking Water
Color White Chrome
Dimensions 15.5 × 5.25 × 17 inches 16 × 5.25 × 17.5 inches
Weight 24.9 pounds not stated
Size RO System RO-90 (Chrome)
Model ROES-50 RO-90

Frequently asked questions

What is the difference between the APEC ROES-50 and the RO-90?

The primary difference is daily water capacity. The RO-90 produces 90 gallons per day, while the ROES-50 offers 50 gallons per day. Both are under sink systems with similar footprints. The RO-90 features a chrome finish, whereas the ROES-50 is white. Choose the RO-90 for higher output and the ROES-50 for standard household needs.

Which APEC water filter has a higher flow rate?

The APEC RO-90 has the higher flow rate. It delivers 90 gallons per day compared to the ROES-50’s 50 gallons per day. This higher capacity allows you to fill larger containers or run the faucet longer without waiting for the storage tank to refill. It suits families needing fast access to purified water.

Does the APEC ROES-50 come with a chrome finish?

No, the APEC ROES-50 comes in white. If you prefer a chrome finish, you should look at the APEC RO-90 model. The RO-90 features a chrome exterior while maintaining the same under sink installation type. The ROES-50 remains a solid choice for reliable 5-stage filtration regardless of the color difference.

How much space does the APEC ROES-50 take under the sink?

The APEC ROES-50 measures 15.5 inches in length, 17 inches in height, and 5.25 inches in width. It weighs 24.9 pounds. The RO-90 is slightly larger at 16 inches long and 17.5 inches high. Both units are designed to fit comfortably under standard kitchen sinks.

Is the APEC RO-90 better for large families?

Yes, the RO-90 is better for large families due to its 90 gallons per day capacity. This high output supports higher daily water consumption. The ROES-50 provides 50 gallons per day, which is sufficient for standard households. The RO-90 prioritizes fast flow rates and certified purity for busy homes.

What stages of filtration do these APEC systems use?

The APEC ROES-50 uses a 5-stage filtration process. The product data does not specify the exact number of stages for the RO-90, but both are reverse osmosis systems designed for drinking water. Both models focus on removing impurities to provide clean water for your home.

Can I install the APEC RO-90 myself?

The ROES-50 is noted for easy DIY setup. The RO-90 is also an under sink system, implying similar installation requirements. Both units are designed for home use. You can install either model under your sink to access purified drinking water directly from your faucet.

Which APEC model is lighter?

The APEC ROES-50 weighs 24.9 pounds. The weight of the RO-90 is not listed in the provided data. Both are under sink units. The ROES-50’s weight is a practical detail for handling during installation. The RO-90 is slightly taller and longer than the ROES-50.

See also