Express Water RO5DX
Score: 88/100
Home Master HydroPerfection TMHP
Score: 92/100Rankings
The Home Master TMHP HydroPerfection is a 9-stage under-sink reverse osmosis system that utilizes patented Full Contact Technology to remineralize water with calcium and magnesium. It features a non-electric permeate pump for a 1:1 waste ratio and an EPA-registered UV LED sterilizer to eliminate bacteria and viruses. Best suited for health-conscious households prioritizing water purity and mineral content.
The Express Water RO5DX is a compact 5-stage under-sink reverse osmosis system featuring NSF/ANSI 58 certification and alkaline remineralization for improved taste. It offers a 50 GPD production rate and includes a leak detection shutoff for added safety. While it lacks the high capacity of larger systems, its pre-assembled design and remineralization feature make it a strong contender for standard households.
| Attribute | | |
|---|---|---|
5 stages | 9 stagesbest | |
50 gallons per day | 75 gallons per daybest | |
96 percent | 99 percentbest | |
4 gallonsbest | 2.2 gallons | |
1,000 countbest | 99 count | |
12 monthsbest | 12 monthsbest | |
| ↓ lower better | 5 inchesbest | 5 inchesbest |
| ↓ lower better | 15 inchesbest | 16 inches |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Compliance & Safety(1) | ||
Certifications | NSF/ANSI 58 | NSF Certified, EPA Registered UV |
Storage(1) | ||
Storage Tank Capacity (gallons) | 4 gallons | 2.2 gallons |
Design(1) | ||
System Height (inches) | 15.0 inches | 16.0 inches |
Power(1) | ||
Power Requirement | false | true |
Performance(5) | ||
Filtration Stages (stages) | 5 stages | 9 stages |
Daily Production Rate (gallons per day) | 50 gallons per day | 75 gallons per day |
TDS Reduction Rate (percent) | 96 percent | 99 percent |
Wastewater Ratio | Standard | 1:1 |
Contaminants Removed (count) | 1000 count | 99 count |
Features(1) | ||
Faucet Type | Chrome | Standard |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the RO5DX's NSF/ANSI 58 certification as a key strength, validating its TDS reduction capabilities and material safety.
Users generally praise the system for its reliable performance, compact size, and the peace of mind provided by NSF certification.
“very clean water”
“Say no more. Perfect!”
Professional reviewers highlight the Home Master HydroPerfection as an exceptional under-sink reverse osmosis filter that effectively eliminates contaminants while enriching water with essential minerals. The patented Full Contact Technology is cited as a key differentiator that addresses limitations of traditional systems, such as tank degradation and slow flow rates.
Everyday users consistently praise the system for its ease of setup and the high quality of the water it produces. Common themes include appreciation for the strong water pressure, fast flow rates, and the environmental benefit of the 1:1 waste ratio. Users report satisfaction with the clean taste and the peace of mind regarding bacteria and chemical removal.
