AquasurePremier Advanced Alkaline 75 GPD RO System
Swaps the post-carbon stage for alkaline remineralisation, claiming a pH range of 8.5 to 10.
$220
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Usability
Usability
Thirty dollars over the standard Premier buys a remineralising stage, and the honest case for it is taste rather than health: RO permeate is flat and slightly acidic, and putting calcium and magnesium back makes it drinkable in a way plain permeate is not. Aquasure's claimed 8.5 to 10 pH range is at the aggressive end of what remineralisation cartridges achieve, and the upper figure would be unusual in practice; no test data supports either end. The RO hardware underneath is identical to the standard model, including the 1.5 to 1 drain ratio that is the best specification on either system. Certification is unchanged and worth restating: Aquasure's only NSF listing covers two RO membrane part numbers for material and structural integrity, not for removing anything, and the lead-free faucet claim is a component materials certification. Buyers who dislike the taste of RO water should take this version; buyers chasing an alkaline health benefit are paying for a claim nobody has verified.
- Alkaline stage genuinely addresses the flat taste of RO permeate
- Same 1.5 to 1 pure-to-drain ratio as the standard Premier, better than most tank RO
- Tank, lead-free faucet and full cartridge set included
- Quick-twist cartridge changes and Flowlok leak protection
- Only thirty dollars over the non-alkaline version
- The 8.5 to 10 pH claim has no test data behind it and the upper figure would be unusual in practice
- No system-level NSF certification; the Aquasure listing covers membrane materials only
- Alkaline water health claims are not supported by evidence and Aquasure leans on them in its copy
- 75 GPD with a three gallon tank means slow recovery under heavy use
- One year warranty against five on the softeners
- Its own Home Depot pool sits at 4.0 of 5, the lowest of the Premier range, on eight reviews
The Aquasure Premier Advanced Alkaline is the four stage 75 GPD reverse osmosis system with the fourth stage replaced by an alkaline remineralising cartridge. Aquasure states the stage returns calcium, magnesium and potassium to the permeate and raises pH into an 8.5 to 10 range. Everything else matches the standard Premier Advanced: three gallon tank, 1.5 to 1 drain ratio, lead-free faucet, ShokBlok and Flowlok protection.
Additional information
Specification: Aquasure Premier Advanced Alkaline 75 GPD RO System
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Questions answered from our data
What does Aquasure remove?Across the 30 Aquasure systems we list, the makers claim reduction of 25 contaminants.
How much does a reverse osmosis system cost?The 69 reverse osmosis systems we list run from $165 to $3,779, with a median of $367.
How long do reverse osmosis filters last?Of the 69 reverse osmosis systems we list, 64 state a filter life; the most common is 6-12 months (62).
Does reverse osmosis remove fluoride?63 of the 76 reverse osmosis systems we list claim to reduce fluoride.
