Whole-house softener · iSpring

iSpring WCS50KG 50,000-Grain Water Softener

50,000-grain softener for up to 4 people at 15 gpg

Updated October 2026

Quick verdict

A practical whole-house softener for up to 4 people on 15 gpg water.

Strength
50,000-grain rating.
Trade-off
Service flow not stated.
Right buyer
Up to 4 people on 15 gpg water.
Grain capacity (maker)
50,000 grains
Material
Fiberglass
Dimensions (seller)
18"L x 11"W x 42"H
Product weight
102 lb
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What it does for your water

The iSpring WCS50KG 50,000-Grain Water Softener is a whole-house softener rated at 50,000 grains.

The rating assumes a heavy salt dose; at a salt-saving setting expect about 37,500 grains from its rating, enough for up to 4 people on 15 grains-per-gallon water regenerating weekly, or 2 on 25 grains per gallon. Check it against your hardness.

Other listed details: mounting Freestanding; power Ac; capacity stated as 6.9 lb; model WCS50KG; material Fiberglass.

The listing gives dimensions of 18 in (L) x 11 in (W) x 42 in (H), a shipping weight of 102 lb and one tank compact design water softner in the box.

Is it the right unit for your house?

Choose it when

  • Up to 4 people on 15 gpg water
  • Replacing an older softener

Pass on it when

  • More than 2 people on 25 gpg water
  • Iron above about 5 ppm without an iron filter

Where it wins and where it loses

Wins

  • 50,000-grain rating

Loses

  • Service flow not stated
  • Valve not named on the listing
  • Plumbing, drain and outlet needed
  • Softened water carries added sodium unless you use potassium chloride

Limits to know about

  • Figures are the maker's or seller's own; check fit and capacity against your water test and your equipment's manual.

Maker's figures

Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.

Model numberWCS50KGRetailer
Features (seller)Automatic Backwash, Heavy Duty, Leak Proof, Low Salt Alarm, Programmable, Self Cleaning, Water Saver Technology Automatic Backwash, Heavy Duty, Leak Proof, Low Salt Alarm, Programmable, Self Cleaning, Water Saver TechnologyRetailer
Dimensions (seller)18"L x 11"W x 42"HRetailer
MaterialFiberglassRetailer
Mounting / installationFreestandingRetailer
MethodIon ExchangeRetailer
Product weight102 lbRetailer
Model nameWhole House Water Softener SystemRetailer
Grain capacity (maker)50,000 grainsRetailer

Units to weigh against it

Other water softeners in the catalog

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Final verdict

A practical whole-house softener for up to 4 people on 15 gpg water.

Where to buy

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Prices change often; the button shows today's price.

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Questions buyers ask

How many people is the iSpring WCS50KG 50,000-Grain Water Softener for?
At an efficient salt setting it delivers about 37,500 grains between regenerations: up to 4 on 15 gpg water, or 2 on 25 gpg, regenerating weekly. Iron adds load: each ppm counts as about 4 gpg.