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Brand

Aquasure

A ladder of water softeners from 32,000 to 72,000 grains, with five-year warranties

What this site covers

Five Aquasure products are reviewed here, all sold on Amazon.com on October 29, 2026:

The price per grain

Divided by capacity, Aquasure’s ladder runs from $16.35 per 1,000 grains for the 32,000-grain unit to $11.72 for the 64,000 — the lowest per-grain price of any softener on this site. The 64,000-grain unit costs $226.70 more than the 32,000 for twice the capacity.

What Aquasure puts in writing

Five years of warranty, with lifetime US technical support, conditional on registering within sixty days. Pre-filters on two models, a sediment, carbon and zinc cartridge in front of the resin.

What the listings leave out

Certification. None of the five states NSF/ANSI 44, which both Aquasana softeners on this site publish. A flow rate, which decides whether a shower weakens when the dishwasher runs. And the bundle’s own page gives two grain ratings for its softener, 72,000 in the title and 48,000 in a bullet.

Against the other names

On capacity per dollar, Aquasure leads. On paperwork, Aquasana’s NSF/ANSI 44 certification and PRO+AQUA’s published 20 gpm flow say things these pages do not.

Every Aquasure product we have reviewed

  • Water softeners

    Aquasure Harmony 64,000-grain softener

    Whole house water softener rated to treat 64,000 grains of hardness, designed for 4 or more bathrooms, removing hard minerals such as calcium and magnesium; an automatic digital metered control head with a fully programmable backlit display allowing custom auto-flush intervals according to incoming water quality and usage; a high-strength corrosion-resistant fiberglass-lined polyethylene tank, a durable bypass valve and prefilled premium-grade resin; 30-day money-back, with a 5-year extended manufacturer warranty and lifetime US-based technical support when the product is activated online within 60 days

    A 64,000-grain whole house water softener for four or more bathrooms, with a digital metered head.

    Best for: A large house on hard water — the cheapest grains here, if you can get it down the stairs

    ≈ $750

    Check price on Amazon Read the review: Aquasure Harmony 64,000-grain softener
  • Water softeners

    Aquasure Harmony 32,000-grain softener

    Whole house water softener rated to treat 32,000 grains of hardness, designed for 1-2 bathrooms, removing calcium and magnesium; an automatic digital metered control head with a fully programmable backlit display allowing custom auto-flush intervals according to incoming water quality and usage; a high-strength corrosion-resistant fiberglass-lined polyethylene tank, a durable bypass valve and prefilled premium-grade resin; 30-day money-back, with a 5-year extended manufacturer warranty and lifetime US-based technical support when the product is activated online within 60 days

    A 32,000-grain whole house water softener for 1-2 bathrooms, with a digital metered control head.

    Best for: A one- or two-bathroom house on municipal water, where the capacity genuinely matches the household

    ≈ $523

    Check price on Amazon Read the review: Aquasure Harmony 32,000-grain softener
  • Water softeners

    Aquasure softener, filter and RO bundle

    Whole house water filtration bundle comprising a Harmony Series water softener, a triple purpose sediment, GAC and zinc pre-filter and a 75 GPD four-stage reverse osmosis system, for homes of 1-6 bathrooms and up to 8 people on city, municipal or well water; the title and description state 72,000 grains of hardness capacity while the first bullet states 48,000 grains; an automatic digital metered control head with a fully programmable backlit display and automatic regeneration and backwash; a high-strength corrosion-resistant fiberglass-lined polyethylene tank, a durable bypass valve and prefilled premium-grade resin; replacement RO filters recommended every 6-12 months; 30-day money-back with a 5-year extended manufacturer warranty and lifetime US-based technical support on activation online within 60 days

    A whole house bundle of water softener, triple-purpose pre-filter and a 75 GPD reverse osmosis system.

    Best for: A large house that wants scale protection and genuinely better drinking water in a single purchase

    ≈ $1,080

    Check price on Amazon Read the review: Aquasure softener, filter and RO bundle

Prices quoted in these summaries are dated readings. The live price is shown next to each product.