| | Name of ionizer | Jupiter Melody | Jupiter Athena | KYK Harmony 9040 | Enagic SD501 | Life Ionizer 7500 | Tyent 7070 |
| Overall Rating | Overall Rating |  | | | | | |
| Price | Suggested Retail | $1495 | $2195 | $1199 | $3980 | $1995 | $2495 |
| Certified Independent Lab Performance Rating | pH at highest setting | 10.47 | 10.54 | 9.48 | 9.46 | 10.72 | 9.47 |
| ORP at highest setting | -637.1mv | -812.0 mv | -482.0 mv | -578.7 mv | -164.7 mv | -740.1 mv |
| Flow Rate | 3 LPM | 3 LPM | 3 LPM | 8 LPM | 1.5 LPM | 1.5 LPM |
| |
| Important things to consider about the manufacturer | Manufacturer | Emco Tech | Emco Tech | YiShan / KYK | Enagic | Unknown | Tae Young |
| How long making water ionizers? | 28 years | 28 years | 4 years | 7 years | 3 years | 2 years |
| How long in US | 14 years | 14 years | 3 years | 4 years | Less than one year | 1+ year |
| Manufacturer Assembler? | Manufacturer | Manufacturer | Assembler | Manufacturer | Assembler | Assembler |
| True R&D Capability? | Yes | Yes | No | No | No | No |
| Quality Assurance Certification | ISO9001 & 14001 and CE | ISO9001 & 14001 and CE | None | ISO9001 & 14001 and CE | Unknown | Unknown |
| Safety Certifications? | UL; CSA; RoHS | UL; CSA; RoHS | Unknown | UL & ULC | None | None |
| Verifiable (can you find them?) | royalwater.com | royalwater.com | kykok.co.kr | enagic.com | ishenpix.co.kr | tyent.co.kr |
| Category Rating | 5 | 5 | 2 | 4 | 2 | 2 |
| |
| Important things to consider about the company you will buying from | How long in Business? | IonLife
10 years | IonWays
3 years | WaterforLifeUSA
3 years | Enagic USA
4 years | LifeIonizer LLC
1 year | Ityent USA
1+ years |
| Experience in ionizer business? | 6 years | 1 year | 4 years | 4 years | 10 years | 1+ years |
| Warranty | Lifetime parts
5 yrs. labor | Lifetime parts
5 yrs. labor | 5 year parts
Parts & Labor | 5 year parts
Parts & Labor | 5 year parts
3 labor | 5 year parts
3 labor |
| Guarantee | 60 day money back
No restocking fee | 15 day trial | 15 day money back
15% restocking fee | 3 day money back
20% restocking fee | 60 day money back
15% restocking fee | 60 day money back
15% restocking fee |
| Water Expertise? Can they help solve your water issue? | WQA Water expert on staff / full line of specialty filtration | WQA Water expert on staff / full line of specialty filtration | Limited | None | Limited Expertise / Full line of specialty filtration | None |
| Customer Support | Full office staff including customer support | Full office staff including customer support | Full office staff including customer support | Full office staff including customer support | Limited / staff size and roles unknown | Limited / staff size and roles unknown |
| Service Center | Yes
Factory trained - Dedicated | Yes
Factory trained - Dedicated | Yes
Factory trained | Yes
Factory trained | Yes
Unknown | Yes
Unknown |
| Headqrters / Warehouse | Reno NV, New Fairfield CT, Edmonton Canada | Reno NV, Vancouver BC | www.waterforlifeusa.com | Hermosa Beach, CA | Encinitas, CA | Blackwood, N.J. |
| Category Rating | 5 | 5 | 3 | 3 | 2 | 1 |
| |
| Electrode Plate Information | Number of Electrode Plates | 5 | 5 | 5 | 7 | 7 | 7 |
| Electrode Plate design | Standard flat Plate | Mesh | Standard flat Plate | Standard flat Plate | Mesh | Mesh |
| Manufacturing process | Electroplating | Electroplating | Dipped | Dipped | Dipped | Dipped |
| Plate source | Emco Tech / Japan | Emco Tech / Japan | YiShan / Taiwan | Enagic / Japan | Korea | Unknown / Korea |
| Category Rating | 4 | 5 | 3 | 4,5 | 3 | 3 |
| |
| Ionization features | Mineral Port? | Yes | Yes | No | Saline injection | No | No |
| Hot Water Alarm | Yes | Yes | No | No | No | No |
| Flow Rate Indicator | Yes | Yes | Yes | No | Yes | No |
| Can unit regulate flow? | Onboard | Onboard | Tap only | Tap only | Onboard | Tap only |
| Category Rating | 5 | 5 | 2 | 3 | 2 | 1 |
| |
| Cleaning System / frequency / convenience | Cleaning type / frequency | Automatic Post Use / each time used | DARC System / each time used | Simple Reverse Polarity / 30 seconds per 12 hours | Simple Reverse Polarity / 30 seconds every 15 gals | none, website says to call customer service | RTR (Real Time Refresh) automatic washing of electrolytic tank |
| Eliminates Mineral scaling on plates | Substantially | Yes | No | No | No | No |
| Do you have to wait while cleaning? | No | No | Yes | Yes | Yes | Yes |
| Category Rating | 4 | 5 | 2 | 3 | 2 | 2 |
| |
| Installation Options | How many ways can you install it? | 3 options | 3 options | | To tap with diverter only | Countertop | 2 options |
| Category Rating | 5 | 5 | 3 | 1 | 3 | 3 |
| |
| Filtration Features | Filtration Rating (in microns) | .1Micron / .01Micron | Dual filtration - .1Micron / .01Micron | .01Micron | .1Micron | Dual Filtration - .1Micron | Dual Filtration .1Micron |
| Filtration Media | GAC with Calcium and Tourmaline | GAC with Calcium and Tourmaline | GAC | GAC with Calcium | GAC with Calcium | GAC and ceramic |
| Filter Life indicator | Yes, by counter | Yes, by counter | Yes, by counter | Yes, by timer | Yes, by counter | Yes--display, no counter |
| Replacement cost | $60 / $90 | $60 / $90 | $75 | $145 | $50 | $85 (includes 2 filters) |
| Category Rating | 5 | 5 | 3 | 3 | 3 | 3 |
| |
| Electrical Power | Electrical Supply | Transformer | Transformer | SMPS | Transformer | SMPS | SMPS |
| Power Consumption | 110w / .5amps | 110w / .5amps | 200w | 230w / 2.5amps | unknown | 85w |
| Category Rating | 5 | 5 | 4 | 5 | 4 | 4 |
| |
| Other features to consider | Number of pH levels | 9 - but infinite control with Flow valve | Adjustable to 48 | Adjustable to 64 | 6 | 9 | 9 |
| Color changing Control Panel? | Yes | Yes | Yes | No | Yes | None |
| PH and ORP Display? | No | No | Yes** | No | No | No |
| Category Rating | 5 | 5 | 5 | 4 | 5 | 5 |