
APEC Ultimate RO-90
Score: 86/100
Bluevua RO100ROPOT
Score: 78/100Rankings

The APEC Water Systems RO-90 Ultimate Series is a WQA-certified, 5-stage under-sink reverse osmosis filtration system designed to produce 90 gallons of ultra-pure water per day. It features a durable metal frame, US-made filters with extended lifespan, and a 4-gallon storage tank to support households of four or more people. The higher operating pressure requirement and larger footprint are the main considerations for installation.

The Bluevua RO100ROPOT is a plug-and-play countertop reverse osmosis system offering high-purity water with real-time TDS monitoring. It is ideal for renters due to its installation-free design, though it produces average wastewater levels. The base model lacks mineral retention, which may require additional purchases.
| Attribute | ![]() | ![]() |
|---|---|---|
0.063 GPMbest | — | |
12 months | 18 monthsbest | |
5 stagesbest | 5 stagesbest | |
100 %best | 91 % | |
| ↓ lower better | 50 PSIbest | — |
| ↓ lower better | — | 0 micronsbest |
| ↓ lower better | — | 2 ratiobest |
— | 1 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Health & Safety(1) | ||
Certifications | WQA Gold Seal | ClimatePartner |
Installation & Compatibility(2) | ||
Installation Type | Under-sink | Countertop |
Operating Pressure (PSI) | 50 PSI | PSI |
Filtration & Performance(3) | ||
Flow Rate (GPM) | 0.0625 GPM | GPM |
TDS Reduction (%) | 100 % | 91 % |
Pure to Drain Ratio (ratio) | ratio | 2 ratio |
Maintenance & Warranty(2) | ||
Filter Lifespan (months) | 12 months | 18 months |
Warranty (years) | years | 1 years |
Dimensions & Build(3) | ||
Height (inches) | 17.5 inches | 14.3 inches |
Width (inches) | 5.25 inches | 15.4 inches |
Depth (inches) | 16.0 inches | 10.9 inches |

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

Professional reviewers from sources like Lowe's and Home Depot highlight the RO-90's premium quality, WQA certification, and superior contaminant removal capabilities. They praise the durable metal construction, eco-friendly design, and the longevity of US-made filters, positioning the system as virtually maintenance-free with a crisp taste that outperforms bottled water.
Everyday users consistently praise the excellent water quality and taste, noting significant reductions in Total Dissolved Solids (TDS). Common themes include satisfaction with the easy installation process, the long lifespan of the filters, and the overall value for obtaining pure water for growing families.

“Solid countertop RO system with almost perfect lab results”

“Best for no-install pure RO”



Professional reviewers rate the Bluevua RO100ROPOT highly for its contaminant reduction capabilities and ease of use, noting solid 91% TDS reduction in lab tests.
Everyday users generally appreciate the simplicity of operation and the purity of the water, often highlighting the convenience of the TDS display and lack of plastic taste.
