
iSpring RCC1UP-AK
Score: 88/100
iSpring RO100
Score: 78/100Rankings

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 iSpring RO100 is a reliable 5-stage under-sink reverse osmosis system designed for residential use, capable of removing up to 99% of over 1,000 contaminants. It features a highly efficient 1:1 pure-to-waste water ratio and utilizes US-made filters for reliable filtration. The system is best suited for homeowners seeking comprehensive contaminant removal with easy DIY installation and a standard 100 GPD flow rate.
| Attribute | ![]() | ![]() |
|---|---|---|
7 stagesbest | 5 stages | |
100 gallons per daybest | 100 gallons per daybest | |
99 percentbest | 99 percentbest | |
1,000 countbest | 1,000 countbest | |
| ↓ lower better | 5.3 inches | 5.25 inchesbest |
| ↓ lower better | 19 inches | 17 inchesbest |
30 PSIbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compliance & Safety(1) | ||
Certifications | NSF/ANSI | US Made |
Storage(1) | ||
Storage Tank Capacity (gallons) | Not specified gallons | Standard gallons |
Maintenance(1) | ||
Filter Lifespan (months) | Not specified months | months |
Design(2) | ||
System Width (inches) | 5.3 inches | 5.25 inches |
System Height (inches) | 19.0 inches | 17.00 inches |
Power(1) | ||
Power Requirement | true | false |
Performance(3) | ||
Filtration Stages (stages) | 7 stages | 5 stages |
Wastewater Ratio | 1.5:1 | 1:1 |
Feed Water Pressure (PSI) | 30-70 PSI | PSI |
Features(3) | ||
Remineralization | true | false |
Faucet Type | Brushed Nickel | Dedicated Faucet |
Automatic Shutoff | true | |


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.

The provided research data does not contain independent professional reviews or detailed editorial feedback.
Users value the system for producing high-quality water that improves the taste of beverages and food, such as tea, coffee, and ice cubes.

