iSpring RCC7AK
Score: 88/100
Home Master HydroPerfection TMHP
Score: 92/100Rankings
The Home Master TMHP HydroPerfection is a 9-stage under-sink reverse osmosis system that utilizes patented Full Contact Technology to remineralize water with calcium and magnesium. It features a non-electric permeate pump for a 1:1 waste ratio and an EPA-registered UV LED sterilizer to eliminate bacteria and viruses. Best suited for health-conscious households prioritizing water purity and mineral content.
The iSpring RCC7AK is a 6-stage under-sink reverse osmosis system designed to remove up to 99% of over 1,000 harmful contaminants while restoring beneficial minerals and alkalinity. It features NSF/ANSI 58 certification for the entire system and produces high-quality drinking water with a neutral pH through its dedicated remineralization stage. It is a superior choice for health-conscious consumers prioritizing pH balance and mineral content.
| Attribute | | |
|---|---|---|
6 stages | 9 stagesbest | |
75 gallons per daybest | 75 gallons per daybest | |
93 percent | 99 percentbest | |
— | 2.2 gallonsbest | |
1,000 countbest | 99 count | |
— | 12 monthsbest | |
| ↓ lower better | 5.1 inches | 5 inchesbest |
| ↓ lower better | 19 inches | 16 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Compliance & Safety(1) | ||
Certifications | NSF/ANSI 58 | NSF Certified, EPA Registered UV |
Storage(1) | ||
Storage Tank Capacity (gallons) | null gallons | 2.2 gallons |
General(1) | ||
Installation Type | Under Sink | Under-sink |
Design(2) | ||
System Width (inches) | 5.10 inches | 5.0 inches |
System Height (inches) | 19.00 inches | 16.0 inches |
Power(1) | ||
Power Requirement | false | true |
Performance(4) | ||
Filtration Stages (stages) | 6 stages | 9 stages |
TDS Reduction Rate (percent) | 93 percent | 99 percent |
Contaminants Removed (count) | 1000 count | 99 count |
Feed Water Pressure (PSI) | 45 PSI | 40 PSI |
Features(1) | ||
Faucet Type | Top-Mounted | Standard |
Products in the top-left offer the best value (high score, low price).
Professional reviewers emphasize the iSpring RCC7AK's full-system NSF/ANSI 58 certification as a key market differentiator, noting that many competitors only certify individual components. Experts highlight the alkaline remineralization stage as a critical feature that solves the prevalent issue of standard RO systems producing slightly acidic, flat-tasting water.
Everyday users consistently praise the ease of installation, noting that color-coded tubing and step-by-step instructions make the process manageable for DIY enthusiasts. Users report significantly improved water taste due to the remineralization stage, with some calling it the best RO system available.
“the best RO system out there”
“very clean water”
“Say no more. Perfect!”
Professional reviewers highlight the Home Master HydroPerfection as an exceptional under-sink reverse osmosis filter that effectively eliminates contaminants while enriching water with essential minerals. The patented Full Contact Technology is cited as a key differentiator that addresses limitations of traditional systems, such as tank degradation and slow flow rates.
Everyday users consistently praise the system for its ease of setup and the high quality of the water it produces. Common themes include appreciation for the strong water pressure, fast flow rates, and the environmental benefit of the 1:1 waste ratio. Users report satisfaction with the clean taste and the peace of mind regarding bacteria and chemical removal.
