AquaTru Under Sink
Score: 85/100
iSpring RCC7AK Black
Score: 85/100Rankings
The AquaTru Under Sink is a high-capacity reverse osmosis system designed for families, featuring a patented 4-stage filtration process that removes 84 contaminants without requiring electricity. It includes a dedicated faucet, a 3-gallon storage tank for on-demand access, and optional alkaline mineral boosting capabilities. However, the high wastewater ratio and requirement for professional installation are notable trade-offs.
The iSpring RCC7AK-BLK is a 6-stage under-sink reverse osmosis system certified by NSF/ANSI 58 to remove up to 99% of over 1,000 contaminants. It features an alkaline remineralization stage that restores minerals and pH balance, producing bottled-water quality taste without requiring electricity. Best suited for homeowners seeking superior drinking water quality with bottled-water taste.
| Attribute | | |
|---|---|---|
4 stages | 6 stagesbest | |
54 gallons per day | 75 gallons per daybest | |
87.1 percent | 97.9 percentbest | |
3 gallonsbest | — | |
84 count | 1,000 countbest | |
6 monthsbest | — | |
| ↓ lower better | 10.6 inchesbest | 16 inches |
| ↓ lower better | 16.5 inchesbest | 19 inches |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Compliance & Safety(1) | ||
Certifications | NSF/ANSI 41, 53, 58, 401, P473 | NSF/ANSI 58 |
Storage(1) | ||
Storage Tank Capacity (gallons) | 3 gallons | Not specified gallons |
General(1) | ||
Installation Type | Under Sink | Under-sink |
Maintenance(1) | ||
Filter Lifespan (months) | 6-24 months | Not specified months |
Design(2) | ||
System Width (inches) | 10.6 inches | 16.0 inches |
System Height (inches) | 16.5 inches | 19.0 inches |
Performance(6) | ||
Filtration Stages (stages) | 4 stages | 6 stages |
Daily Production Rate (gallons per day) | 54 gallons per day | 75 gallons per day |
TDS Reduction Rate (percent) | 87.1 percent | 97.9 percent |
Wastewater Ratio | 3:1 | Not specified |
Contaminants Removed (count) | 84 count | 1000 count |
Feed Water Pressure (PSI) | 40-85 PSI | 40-80 PSI |
Features(1) | ||
Faucet Type | Dedicated | Black |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the AquaTru Under Sink as a significant upgrade in convenience and hygiene due to its patented TruPure Sanitizer technology, which solves the bacterial growth issues common in traditional under-sink systems.
Users generally express high satisfaction with the improved taste and clarity of the water, appreciating the convenience of the dedicated faucet and the 3-gallon storage capacity.
“drinking water feel like a luxury”
