# Home Master TMHP HydroPerfection vs Express Water RO5DX: specs and price compared

A sourced, side-by-side comparison of the Home Master TMHP HydroPerfection (Home Master) and Express Water RO5DX (Express Water) among reverse osmosis systems.

## Side by side

| Spec | Home Master TMHP HydroPerfection | Express Water RO5DX |
| --- | --- | --- |
| US price | not published | $189.99 |
| Brand | Home Master | Express Water |
| Install type | under-sink | under-sink |
| Filtration stages | 9 | 5 |
| Rated capacity gpd | 50 | 50 |
| Pure to drain ratio | 1:1 | — |
| TDS reduction pct | — | — |
| Remineralization | Yes | No |
| Requires electricity | Yes | No |
| Storage tank gal | 3.2 | 3.2 |
| Nsf certified standards | — | 58, 372 |
| Membrane life months | — | — |
| Annual filter cost usd | — | — |

## Key differences

- Filtration stages: Home Master TMHP HydroPerfection 9 vs Express Water RO5DX 5
- Remineralization: Home Master TMHP HydroPerfection Yes vs Express Water RO5DX No
- Requires electricity: Home Master TMHP HydroPerfection Yes vs Express Water RO5DX No

## Sources

- Home Master TMHP HydroPerfection: https://www.theperfectwater.com/home-master-hydroperfection-reverse-osmosis-water-filtration-system.html (theperfectwater.com, verified 2026-07-11)
- Express Water RO5DX: https://www.expresswater.com/products/ro-system-ro5dx-with-free-filter-set (expresswater.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/reverse-osmosis-systems/home-master-tmhp-hydroperfection-vs-express-water-ro5dx/
Cite: Per The Front Desk Review, Home Master TMHP HydroPerfection (not published) vs Express Water RO5DX ($189.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/reverse-osmosis-systems/home-master-tmhp-hydroperfection-vs-express-water-ro5dx/
License: CC BY 4.0.