
iSpring RCC1UP-AK
Score: 88/100
AquaTru Under Sink
Score: 85/100Rankings

The iSpring RCC1UP-AK is a 7-stage under-sink reverse osmosis system designed for residential drinking water purification, featuring a booster pump, UV sterilization, and alkaline remineralization. It removes up to 99% of over 1,000 contaminants while restoring beneficial minerals and maintaining a highly efficient 1.5:1 pure-to-waste water ratio. Best suited for homeowners with variable water pressure who need a booster pump for consistent performance.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
7 stagesbest | 4 stages | |
100 gallons per daybest | 54 gallons per day | |
99 percentbest | 87.1 percent | |
— | 3 gallonsbest | |
1,000 countbest | 84 count | |
— | 6 monthsbest | |
| ↓ lower better | 5.3 inchesbest | 10.6 inches |
| ↓ lower better | 19 inches | 16.5 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compliance & Safety(1) | ||
Certifications | NSF/ANSI | NSF/ANSI 41, 53, 58, 401, P473 |
Storage(1) | ||
Storage Tank Capacity (gallons) | Not specified gallons | 3 gallons |
General(1) | ||
Installation Type | Under-sink | Under Sink |
Maintenance(1) | ||
Filter Lifespan (months) | Not specified months | 6-24 months |
Design(2) | ||
System Width (inches) | 5.3 inches | 10.6 inches |
System Height (inches) | 19.0 inches | 16.5 inches |
Power(1) | ||
Power Requirement | true | false |
Performance(6) | ||
Filtration Stages (stages) | 7 stages | 4 stages |
Daily Production Rate (gallons per day) | 100 gallons per day | 54 gallons per day |
TDS Reduction Rate (percent) | 99 percent | 87.1 percent |
Wastewater Ratio | 1.5:1 | 3:1 |
Contaminants Removed (count) | 1000 count | 84 count |
Feed Water Pressure (PSI) | 30-70 PSI | 40-85 PSI |
Features(1) | ||
Faucet Type | Brushed Nickel | Dedicated |

Products in the top-left offer the best value (high score, low price).

The provided search results do not include detailed professional reviews, editor commentary, or substantial expert critiques. The product is described as an upgrade to the standard RCC7AK-UV system, suggesting it represents an improvement in the product line, but specific professional praise or criticism is not available in the sources.
The search results provided do not include detailed user reviews, testimonials, or consumer feedback sections. Consequently, there is no data regarding common praise, recurring complaints, or general sentiment from everyday users for this specific model.

“drinking water feel like a luxury”




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.