Overview
Aquasana takes a somewhat different approach to residential water filtration by combining reverse osmosis with its proprietary Claryum filtration technology in certain systems.
The company’s OptimH2O Reverse Osmosis + Claryum system is designed to reduce a broad range of contaminants while also incorporating remineralization.
Aquasana publishes extensive performance documentation for the system.
Its performance data includes testing against NSF/ANSI standards for contaminants including lead, arsenic, fluoride, nitrate/nitrite, TDS, chlorine, chloramines, and PFOA/PFOS.
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Specifications
The OptimH2O system includes:
- Reverse osmosis
- Carbon filtration
- Claryum filtration
- Remineralization
- Dedicated faucet
- Under-sink installation
Aquasana’s published documentation lists a production rate of approximately 13.32 gallons per day under specified test conditions and a 29.43% recovery rating.
Pros
- Extensive published performance data
- Multiple NSF/ANSI certifications
- Broad contaminant coverage
- Remineralization
- Established water-filtration company
- Strong documentation
Cons
- Higher cost than basic RO systems
- Lower production than many modern tankless systems
- More complex filtration configuration
- Replacement filters can be relatively expensive
Installation
The OptimH2O is designed as an under-sink drinking-water system.
Installation requires cold-water, drain, and faucet connections.
Maintenance
Aquasana uses dedicated replacement cartridges.
The company lists the RO membrane as lasting approximately 12 months and the carbon/Claryum replacement set at six months or 365 gallons under stated conditions.
One advantage is the twist-off replacement design, which can simplify cartridge changes.
Performance
Aquasana is particularly impressive when evaluated on documented contaminant reduction and certification.
Its published performance data reports reductions for a broad range of contaminants, including fluoride, lead, arsenic, nitrate/nitrite, PFOA/PFOS, and TDS.
Comparison
Compared with inexpensive traditional RO systems, Aquasana’s major advantage is its combination of RO, Claryum filtration, remineralization, and extensive certification documentation.
Compared with high-output tankless systems, however, it is less focused on maximum production speed.
Who Should Buy
Aquasana is a strong option for:
- Homeowners concerned about multiple contaminants
- Buyers who prioritize certification
- Consumers who want remineralization
- Buyers who value published performance data
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Alternatives
Consider:
- APEC
- iSpring
- Waterdrop
- Home Master
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