
iSpring RCC1UP-AK
Score: 88/100
APEC RO-PH90
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. It is best suited for homeowners with variable water pressure who need a booster pump for consistent performance.

The APEC RO-PH90 is a robust 6-stage reverse osmosis system designed to remove over 1,000 impurities while remineralizing water for a natural spring-like taste. Its primary trade-off is a high waste water ratio of 3:1, which is typical for classic RO systems. It is best suited for households seeking high-quality, mineral-enhanced drinking water and are willing to manage maintenance.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 0.063 gallons per minutebest | |
— | 12 monthsbest | |
7best | 6 | |
1 years | 2 yearsbest | |
| ↓ lower better | 19 inches | 18 inchesbest |
| ↓ lower better | 5.3 inchesbest | 7 inches |
| ↓ lower better | 15.5 inches | 15 inchesbest |
— | 99 percentbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Value & Warranty(1) | ||
Warranty (years) | 1 years | 2 years |
Dimensions & Fit(3) | ||
Height (inches) | 19.0 inches | 18.0 inches |
Width (inches) | 5.3 inches | 7.0 inches |
Depth (inches) | 15.5 inches | 15.0 inches |
Performance & Filtration(3) | ||
Certifications | NSF/ANSI | WQA |
Filtration Stages | 7 | 6 |
Filtration Technology | Reverse Osmosis + UV | Reverse Osmosis |
Installation & Compatibility(2) | ||
Installation Type | Under-sink | Under Sink |
Operating Pressure (psi) | 30-70 psi | 100 psi |


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.

Professional reviewers highlight the APEC RO-PH90 as a robust, professional-grade solution for households seeking high-quality water purification, praising its ability to remove impurities and improve taste.
Everyday users generally express high satisfaction with the taste and clarity of the water, though some report concerns about the volume of waste water generated.
“strips out over 1,000 impurities”

“keeps up with family needs effortlessly”


