AQUA TRU AquaTru Glass Carafe or AQUA TRU AquaTru Under Sink Alkaline? Which AQUA TRU Model to Buy
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This guide compares the aqua tru aquatru glass carafe vs aquatru under sink alkaline. Both units use a 4-stage reverse osmosis process certified by IAPMO to remove contaminants like lead and fluoride. The main difference lies in their placement and water delivery. One sits on your counter with a glass carafe, while the other installs under your sink with a dedicated faucet. You need to decide which format fits your kitchen layout and usage habits.
Key differences
| Aspect | AquaTru Glass Carafe Countertop RO | AquaTru Under Sink Alkaline RO System |
|---|---|---|
| Installation Type | Countertop | Under sink |
| Design | Countertop | Under sink |
| Water Capacity | Not listed | 1.7 gallons |
| Filtration Type | Reverse osmosis | Reverse osmosis, alkaline |
| Certification | NSF | NSF/ANSI (IAPMO) |
| Features | Not listed | Leak detector, control panel |
Which one should you choose?
Choose AquaTru Glass Carafe Countertop RO if
- You want a system that requires no plumbing or drilling.
- You prefer dispensing water from a glass carafe on your counter.
- You need a unit that plugs into a standard outlet.
Choose AquaTru Under Sink Alkaline RO System if
- You want purified water available directly from your faucet.
- You need a leak detection system that shuts off the water line.
- You prefer a system with an alkaline filter stage.
Verdict: Choose the Glass Carafe model if you need a portable, plug-in solution without installation. Choose the Under Sink Alkaline model if you want on-demand faucet water and advanced leak protection. Both provide certified contaminant removal.
Carafe vs Under Sink RO Specs
installation type
The AquaTru Glass Carafe is a countertop unit that requires no plumbing or drilling. You simply plug it into a standard outlet and fill the tank with tap water. This makes it ideal for renters or those who cannot modify their kitchen. In contrast, the AquaTru Under Sink Alkaline system installs under your sink. It connects directly to your cold water line and requires a dedicated faucet. This setup keeps the unit out of sight but demands professional installation or significant DIY effort to route tubing and mount the manifold.
water capacity
The Glass Carafe dispenses water directly into a removable glass carafe with a lid. You must wait for the filtration process to complete before accessing purified water. The Under Sink Alkaline model includes a dedicated RO storage tank that holds up to 1.7 gallons of purified water. This allows for on-demand access through the faucet without waiting for the system to filter a new batch. If you need large volumes of water quickly for cooking or filling pitchers, the under-sink tank provides a clear advantage in convenience and speed.
filtration lifespan
Both systems use a 4-stage reverse osmosis process. The Glass Carafe lists a Pre/Carbon filter life of 6 months or 300 gallons, and an RO filter life of 1 year or 600 gallons. The Under Sink Alkaline system also has a Pre/Carbon filter lasting 6 months, but its RO filter lasts up to 2 years. The VOC Carbon filter in the carafe lasts 1 year or 300 gallons. The under-sink unit does not explicitly list its VOC filter lifespan in the provided data. Longer RO filter life in the under-sink model may reduce long-term maintenance frequency.
safety features
The Under Sink Alkaline system includes a leak detector and control panel. It detects leaks, sounds an alert, and automatically shuts off the cold water line to prevent water damage. The panel also shows filter change alerts and battery status. The Glass Carafe does not list any leak detection or automatic shut-off features. Since the carafe sits on the counter and uses a gravity or pump-assisted tank system, it lacks the integrated plumbing safety mechanisms found in the under-sink model, which is critical for installed systems.
dimensions
The Glass Carafe measures 1.5 inches in width, 13.5 inches in height, and 5.25 inches in length, weighing 14.7 pounds. It is compact and designed to sit neatly on a counter. The Under Sink Alkaline system is larger, measuring 16.3 inches in width, 20 inches in height, and 11 inches in length. It is designed to fit under a sink, where space is often limited. If counter space is at a premium, the carafe’s smaller footprint is advantageous. If you have ample under-sink space, the larger under-sink unit fits without occupying valuable counter real estate.
Which AQUA TRU Model Fits You
Renters needing portable, no-install filtration
You need a unit that requires no plumbing or drilling. This countertop model plugs into any standard outlet and sits neatly on your counter. You fill the tank with tap water, and purified water dispenses into the glass carafe. It is the only choice if you cannot modify your kitchen space or move your system frequently.
Homeowners wanting on-demand water access
You want purified water directly from a dedicated faucet. This under-sink system stores up to 1.7 gallons of purified water for on-demand access. It includes a leak detector that alerts you and automatically shuts off the cold water line to prevent damage. This setup delivers water continuously without waiting for a carafe to fill.
Users prioritizing long-lasting RO filter life
You want the longest possible service interval for your reverse osmosis membrane. This model features an RO filter that lasts up to 2 years. The competing countertop carafe model lists an RO filter life of only 1 year or 600 gallons. If you prefer changing filters less often, this under-sink unit offers superior longevity for the core membrane.
Buyers seeking alkaline water enhancement
You prefer water with added alkaline properties. This under-sink system explicitly includes an alkaline filtration stage in its 4-stage process. While the countertop carafe has an alkaline variation, the data for the specific under-sink model confirms it as a standard feature. If you want alkaline water delivered from your main faucet, this is the supported option.
The products compared
AquaTru Glass Carafe Countertop RO
Best for: renters needing plug-in purification
- Filtration Stages
- 4
- Design
- Countertop
- Certification
- NSF
- Filtration Type
- Reverse osmosis
- Installation Type
- Countertop
- Dimensions
- 5.25 × 1.5 × 13.5 inches
View on Amazon: AquaTru Glass Carafe Countertop RO Affiliate link
The AquaTru Countertop RO Glass Carafe is a 4-stage reverse osmosis system designed for counter placement. It requires no plumbing or drilling, simply plugging into a standard outlet. The unit includes a removable glass carafe and uses three filter types with specific lifespans. This model suits renters or those who need portable purification without installation. It targets users prioritizing ease of setup and glass storage.
Pros
- 4-stage reverse osmosis filtration removes microplastics, fluoride, and heavy metals
- No plumbing or drilling required for countertop installation
- Includes removable glass carafe with lid for storage
- Certified by IAPMO to NSF standards
Cons
- Countertop design occupies counter space
- 14.7-pound weight limits portability
- 1-year warranty is shorter than industry averages
Good fit if
- You rent and cannot modify plumbing
- You prefer glass containers for drinking water
- You want a plug-and-play purification system
Skip if
- You need under-sink installation
- You require high-volume continuous flow
- You want alkaline mineral adjustment
Verdict: AquaTru Countertop RO Glass Carafe fits renters who need certified purification without installation. It suits users who value glass storage and plug-in convenience over high-volume output.
AquaTru Under Sink Alkaline RO System
Best for: clean water from the faucet
- Filtration Stages
- 4
- Design
- Under sink
- Certification
- NSF/ANSI (IAPMO)
- Filtration Type
- Reverse osmosis, alkaline
- Installation Type
- Under sink
- Features
- Alkaline Filter, Chlorine Reduction
View on Amazon: AquaTru Under Sink Alkaline RO System Affiliate link
This under sink reverse osmosis system uses a 4-stage filtration process with an alkaline filter. It removes 84 contaminants and includes a leak detector that shuts off the water line. The unit stores 1.7 gallons of purified water. You get a dedicated faucet and filters lasting up to two years. It fits under your sink for clean drinking water.
Pros
- Removes 84 harmful contaminants including lead and fluoride
- Stores 1.7 gallons of purified water for on-demand access
- Leak detector alerts and shuts off the cold water line
- RO filter lasts up to 2 years
Cons
- Requires under sink installation
- 1.7-gallon storage capacity limits high-volume use
- No app or remote control mentioned
Good fit if
- You want purified water directly from your faucet
- You need a system that detects and stops leaks
- You prefer alkaline-enhanced water
Skip if
- You need a countertop unit
- You want to avoid under sink installation
- You require a larger storage tank
Verdict: AquaTru Under Sink Alkaline RO fits homeowners who want clean water from their faucet without using counter space. The leak detection and long filter life make it a reliable choice for daily drinking water.
Specifications side by side
| Spec | AquaTru Glass Carafe Countertop RO | AquaTru Under Sink Alkaline RO System |
|---|---|---|
| Filtration Stages | 4 | 4 |
| Design | Countertop | Under sink |
| Certification | NSF | NSF/ANSI (IAPMO) |
| Filtration Type | Reverse osmosis | Reverse osmosis, alkaline |
| Installation Type | Countertop | Under sink |
| Features | not stated | Alkaline Filter, Chlorine Reduction |
| Dimensions | 5.25 × 1.5 × 13.5 inches | 11 × 16.3 × 20 inches |
| Weight | 14.7 pounds | not stated |
| Model | AquaTru Carafe | 90AT02US01-S |
| Color | not stated | Matte Black |
Frequently asked questions
Does the AquaTru Glass Carafe require professional installation?
No. This countertop model requires no plumbing or drilling. You simply plug it into a standard outlet and fill the tank with tap water. It is designed for renters or users who need purification without permanent installation or complex setup.
Which system saves more counter space?
The AquaTru Under Sink Alkaline RO System saves counter space. It installs under your sink, keeping your countertop clear. The Glass Carafe sits on the counter, measuring 5.25 inches in length and 13.5 inches in height, occupying valuable workspace.
What filtration stages do both models use?
Both models use a 4-stage filtration process. This certified reverse osmosis method removes contaminants like lead and fluoride. The Under Sink Alkaline version adds an alkaline filter and chlorine reduction feature for enhanced taste and mineral balance.
Is the AquaTru Glass Carafe suitable for renters?
Yes. It is ideal for renters needing plug-in purification without installation. The unit is portable and does not require plumbing changes. You can move it easily or store it when not in use, making it a flexible choice for temporary housing.
Does the under sink model include leak detection?
Yes. The AquaTru Under Sink Alkaline RO System features leak detection. This adds reliability for daily drinking water needs. It helps protect your home from potential water damage while providing clean water directly from your faucet.
How heavy is the AquaTru Glass Carafe?
The AquaTru Glass Carafe weighs 14.7 pounds. This weight includes the unit and its glass storage carafe. It is substantial enough to remain stable on a counter but light enough to move if you need to relocate it.
Can I get alkaline water from the countertop model?
No. The AquaTru Glass Carafe does not include an alkaline filter. Only the Under Sink Alkaline RO System offers this feature. If you prefer alkaline water, you must choose the under sink model that adds minerals during filtration.

