APEC Essence ROES-PH75
Score: 82/100
iSpring RO500AK
Score: 92/100Rankings
The iSpring RO500AK-BN is an NSF 58 certified tankless reverse osmosis system designed for under-sink installation, producing 500 gallons of filtered water per day. It features a three-stage filtration process with alkaline remineralization and a high-efficiency 2:1 pure-to-wastewater ratio to reduce water waste. Recommended for families, offices, and commercial settings due to its fast flow rate and high daily capacity.
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 | 3 stages | |
75 gallons per day | 500 gallons per daybest | |
99 percentbest | 99 percentbest | |
4 gallonsbest | 0 gallons | |
— | 1,000 countbest | |
| ↓ lower better | 5.25 inches | 5.2 inchesbest |
| ↓ lower better | 17.5 inches | 16.25 inchesbest |
40 PSIbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Compliance & Safety(1) | ||
Certifications | WQA Certified | NSF 58 |
Storage(1) | ||
Storage Tank Capacity (gallons) | 4 gallons | 0 gallons |
General(1) | ||
Installation Type | Under Sink | Under-sink |
Design(2) | ||
System Width (inches) | 5.25 inches | 5.2 inches |
System Height (inches) | 17.5 inches | 16.25 inches |
Power(1) | ||
Power Requirement | false | true |
Performance(5) | ||
Filtration Stages (stages) | 6 stages | 3 stages |
Daily Production Rate (gallons per day) | 75 gallons per day | 500 gallons per day |
Wastewater Ratio | Low | 2:1 |
Contaminants Removed (count) | null count | 1000 count |
Feed Water Pressure (PSI) | 40 PSI | Not specified PSI |
Products in the top-left offer the best value (high score, low price).
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.
Professional sources highlight the iSpring RO500AK-BN's NSF 58 certification as a key differentiator, noting that it covers the entire system's performance rather than just individual components. The system is recommended for families, offices, and commercial settings due to its fast flow rate and high daily capacity.
The available search results do not contain specific user reviews, testimonials, or detailed consumer feedback regarding praise or complaints.
