Reverse Osmosis; make an educated choice.

Both systems from ION LIFE will give years of dependability and performance if you maintain the filter change regimen as suggested.

Item
RO MkI RO MkII
Jupiter Science Alkaliser
Picture Reverse Osmosis MkI with Alkaline Cartridge Reverse Osmosis MkII with Alkaline Cartridge Delphi Water AlkalizerAlphion Water AlkalizerMelody Water AlkalizerVenus Water Alkalizer
Initial Cost $995
 $1295  $1295 - $2495
Warranty  1 yr  5 yr  2 yr - 5 yr
Where Manufactured  Taiwan   
 USA   
 South Korea
Annual Replacement filter costs  $410   
$ 426   
 $100      
    Sediment
 $10  $60 n/a       
     
    Carbon $45  $0 (replace with polishing filter) n/a
    Membrane $120 $180 n/a
    Polishing filter $45 $60 n/a
    Wellbeing $135 $135 n/a
Frequency of replacing filters 6 mths (Wellbeing)
1 yr (sediment, carbon, polish)
3yrs (membrane)
6 mths (Wellbeing)
1 yr (sediment, carbon, polish)
3-5yrs (membrane)
1 yr
Dimensions (cm)     Microlite: 25(W) x 33(H) x 14(D)  
    RO system 40(W) x 44(H) x 20(D)  42(W) x 32(H) x 11(D) Melody: 27(W) x 33(H) x 14.6(D) 
    Tank  34(H) x 22(D)  38(H) x 23(D) Alphion/Delphi: 25(W) x 33(H) x 13(D) 
Waste Water 1L for every 1L produced 1L for every 1L produced 1L for every 1.5L produced (this water can be collected and has many uses, so is not technically waste)
pH pH 4 - 9 (fixed) pH 4 - 9 (fixed) pH 3 - 11 (programmable)
    without
    Wellbeing
pH 4 pH 4  
    with Wellbeing pH 9 pH 9  
Microclustered? No No Yes
Structured No No Yes
ORP
 > + 100mV  > + 100mV -90mV to -250mV
Installation Costs $150  $150 $0 for Microlite, Melody, Alphion
$150 for Delphi  
Volume of pressure tank 15L  8L n/a
Fill rate @ 60psi   5L per hour 6L per hour  80L per hour  
Manufacturer AquaPro AquaSafe Emco Tech  
Fluoride Removal? Yes (up to 99%) Yes (up to 99%)  Yes (up to 20%)(can add pre-filter for greater removal)
Micron Rating 0.0002µm  0.0005µm  0.1µmto 0.01µm

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