
APEC RO-PH90
Score: 88/100
Waterdrop G3P800
Score: 90/100Rankings

The Waterdrop G3P800 is an 800 GPD tankless reverse osmosis system designed for residential and small commercial use, featuring 10-stage filtration, UV sterilization, and NSF/ANSI certification. It offers a high flow rate of 800 gallons per day with a water-efficient 3:1 pure-to-drain ratio, making it suitable for large households or businesses requiring instant, high-purity water. It is best suited for large households (5+ people) requiring high-volume filtered water.

The APEC RO-PH90 is a 6-stage alkaline reverse osmosis system designed to remove up to 99% of contaminants while remineralizing water to improve taste. It features a pH+ remineralization stage that adds minerals back into the filtered water, addressing the flat taste common in standard RO systems. Best suited for households seeking to eliminate bottled water consumption while improving tap water quality with better-tasting water for beverages.
| Attribute | ![]() | ![]() |
|---|---|---|
0.9 GPM | 800 GPMbest | |
12 monthsbest | — | |
6 stages | 10 stagesbest | |
99 %best | — | |
| ↓ lower better | 0 PSIbest | 14.5 PSI |
| ↓ lower better | — | 0 micronsbest |
| ↓ lower better | 3 ratiobest | 3 ratiobest |
2 yearsbest | 1 years |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Health & Safety(2) | ||
Certifications | WQA Certified | NSF/ANSI 42, 53, 58, 372 |
Remineralization | true | false |
Installation & Compatibility(1) | ||
Operating Pressure (PSI) | 0 PSI | 14.5 PSI |
Filtration & Performance(4) | ||
Flow Rate (GPM) | 0.9 GPM | 800 GPM |
Filtration Stages (stages) | 6 stages | 10 stages |
TDS Reduction (%) | 99 % | true % |
Micron Rating (microns) | microns | 0.0001 microns |
Maintenance & Warranty(2) | ||
Filter Lifespan (months) | 12 months | N/A months |
Warranty (years) | 2 years | 1 years |
Dimensions & Build(3) | ||
Height (inches) | 18.0 inches | 17.72 inches |
Width (inches) | 7.0 inches | 5.67 inches |
Depth (inches) | 15.0 inches | 18.12 inches |


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

Professional reviewers highlight the APEC RO-PH90 as a robust, professional-grade solution for households seeking high-quality water purification. The six-stage system is praised for its ability to remove over 1,000 impurities while the pH+ remineralization stage successfully addresses the common complaint of flat-tasting RO water.
Everyday users generally express high satisfaction with the taste and clarity of the water produced by the APEC system. Common praise includes the improvement in flavor for beverages like coffee and tea, as well as the cost savings from eliminating bottled water purchases.

Professional sources highlight the G3P800 as a premium offering in the reverse osmosis category, launched in mid-April 2022 as Waterdrop's first 800 GPD tankless system. Experts emphasize its advanced filtration technology, including NSF 58 certification for removing heavy metals and pharmaceuticals, and its efficiency improvements over traditional systems. The system is positioned as a significant upgrade to earlier models, offering superior flow rates and water efficiency.
There is insufficient data to determine consumer sentiment, as search results contain primarily product specifications and marketing claims rather than verified consumer reviews or complaints.
“strips out over 1,000 impurities”

“keeps up with family needs effortlessly”

“installation as straightforward with minimal maintenance”


