
APEC Ultimate RO-90
Score: 85/100
Home Master Artesian TMAFC-ERP
Score: 88/100Rankings

The Home Master TMAFC-ERP Artesian is a 7-stage under-sink reverse osmosis system that removes up to 99% of contaminants while adding calcium and magnesium for improved taste and alkaline pH. It features a patented 2-pass remineralization process and an optional permeate pump that reduces wastewater to a 1:1 ratio. Ideal for households seeking high-purity, remineralized drinking water with minimal maintenance.

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. It is ideal for daily drinking and cooking in areas with high contaminants like lead, arsenic, or fluoride.
| Attribute | ![]() | ![]() |
|---|---|---|
5 stages | 7 stagesbest | |
90 gallons per daybest | 50 gallons per day | |
100 percentbest | 99 percent | |
4 gallonsbest | 2.2 gallons | |
— | 99 countbest | |
12 monthsbest | 12 monthsbest | |
| ↓ lower better | 5.25 inchesbest | 16 inches |
| ↓ lower better | 17.5 inches | 12 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compliance & Safety(1) | ||
Certifications | WQA Gold Seal | NSF Certified |
Storage(1) | ||
Storage Tank Capacity (gallons) | 4 gallons | 2.2 gallons |
General(1) | ||
Installation Type | Under Sink | Under-sink |
Design(2) | ||
System Width (inches) | 5.25 inches | 16.0 inches |
System Height (inches) | 17.5 inches | 12.0 inches |
Performance(5) | ||
Filtration Stages (stages) | 5 stages | 7 stages |
Daily Production Rate (gallons per day) | 90 gallons per day | 50 gallons per day |
TDS Reduction Rate (percent) | 100 percent | 99 percent |
Contaminants Removed (count) | null count | 99 count |
Feed Water Pressure (PSI) | 50 PSI | 40 PSI |
Features(1) | ||
Remineralization | false | true |

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.



Professional reviewers and editors praise the TMAFC-ERP for its innovative Full Contact remineralization, which addresses common issues like acidity and tank degradation found in traditional RO systems. Experts highlight the 98% contaminant removal rate, the hygienic modular design, and the extended 2,000-gallon filter life as key advantages over competitors.
Everyday consumers commonly praise the great-tasting alkaline water, the ease of tool-free filter swaps, and the significantly faster flow speed compared to standard systems. Recurring complaints focus on the high wastewater volume when the ERP pump is not used and occasional leaks during the initial setup phase.
