iSpring RCC7AK
Score: 88/100
Home Master Artesian TMAFC-ERP
Score: 88/100Rankings
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.
The Home Master TMAFC-ERP Artesian is a 7-stage under-sink reverse osmosis system that removes up to 99% of contaminants while adding calcium and magnesium for improved taste and alkaline pH. It features a patented 2-pass remineralization process and an optional permeate pump that reduces wastewater to a 1:1 ratio. Ideal for households seeking high-purity, remineralized drinking water with minimal maintenance.
| Attribute | | |
|---|---|---|
6 stages | 7 stagesbest | |
75 gallons per daybest | 50 gallons per day | |
93 percent | 99 percentbest | |
— | 2.2 gallonsbest | |
1,000 countbest | 99 count | |
— | 12 monthsbest | |
| ↓ lower better | 5.1 inchesbest | 16 inches |
| ↓ lower better | 19 inches | 12 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 |
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 | 16.0 inches |
System Height (inches) | 19.00 inches | 12.0 inches |
Performance(5) | ||
Filtration Stages (stages) | 6 stages | 7 stages |
Daily Production Rate (gallons per day) | 75 gallons per day | 50 gallons per day |
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 | Chrome |
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”
Choose Home Master for better taste, efficiency, and longer filter life; choose iSpring for a simpler, budget-friendly basic RO setup.
Professional reviewers and editors praise the TMAFC-ERP for its innovative Full Contact remineralization, which addresses common issues like acidity and tank degradation found in traditional RO systems. Experts highlight the 98% contaminant removal rate, the hygienic modular design, and the extended 2,000-gallon filter life as key advantages over competitors.
Everyday consumers commonly praise the great-tasting alkaline water, the ease of tool-free filter swaps, and the significantly faster flow speed compared to standard systems. Recurring complaints focus on the high wastewater volume when the ERP pump is not used and occasional leaks during the initial setup phase.
