iSpring RCC7P-AK
Score: 92/100
APEC Essence ROES-PH75
Score: 82/100Rankings
The iSpring RCC7P-AK is a 6-stage under-sink reverse osmosis system designed to remove over 1,000 contaminants while restoring beneficial minerals. It features a built-in electric booster pump that ensures high efficiency and consistent performance in homes with low incoming water pressure. This makes it a maximum performance option for households with suboptimal water pressure.
The APEC Water Systems ROES-PH75 Essence Series is a 6-stage under-sink reverse osmosis system rated at 75 gallons per day, designed to produce alkaline mineral-enhanced water by adding high-purity calcium carbonate. It features a solid metal frame for durability, large-capacity block filters for extended life, and an eco-friendly low waste ratio with automatic shut-off. It is ideal for families wanting 99% contaminant removal plus pH boost for taste and health preferences.
| Attribute | | |
|---|---|---|
6 stagesbest | 6 stagesbest | |
75 gallons per daybest | 75 gallons per daybest | |
97.9 percent | 99 percentbest | |
2 gallons | 4 gallonsbest | |
1,000 countbest | — | |
6 monthsbest | — | |
| ↓ lower better | 8 inches | 5.25 inchesbest |
| ↓ lower better | 18 inches | 17.5 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Compliance & Safety(1) | ||
Certifications | NSF/ANSI 58 | WQA Certified |
Storage(1) | ||
Storage Tank Capacity (gallons) | 2 gallons | 4 gallons |
General(1) | ||
Installation Type | Under-sink | Under Sink |
Design(2) | ||
System Width (inches) | 8.0 inches | 5.25 inches |
System Height (inches) | 18.0 inches | 17.5 inches |
Power(1) | ||
Power Requirement | true | false |
Performance(3) | ||
TDS Reduction Rate (percent) | 97.9 percent | 99 percent |
Wastewater Ratio | Standard | Low |
Contaminants Removed (count) | 1000 count | null count |
Features(1) | ||
Faucet Type | Chrome | Brushed Nickel |
Products in the top-left offer the best value (high score, low price).
Professional sources consistently highlight the iSpring RCC7P-AK as a maximum performance option in its category, praising the addition of the booster pump and alkaline remineralization.
Everyday users report noticeable taste improvements after three months of use, describing the water as having a smooth, slightly sweet profile that feels healthier than tap water.
“removes impurities flawlessly, leaving water that is crystal-clear with a crisp, refreshing taste”
“smooth, slightly sweet profile and more natural taste compared to standard RO water”
“barely heard over normal kitchen activity”
Search results lack in-depth expert reviews from major testing sites like Wirecutter or Consumer Reports. Product pages emphasize manufacturer guarantees of premium components and 2x contaminant removing capacity. A YouTube installer/review video highlights successful installation and TDS reduction testing, positioning the system as worthwhile for clean water.
Limited direct quotes are available, but Home Depot and Lowe's pages note high engagement with 246 questions and answers. Common inferred praise includes effective TDS reduction and easy DIY installation. Recurring complaints are not detailed, though potential issues from similar RO systems include initial setup plumbing challenges.
