SpringWell CIS Chemical Injection System

7.5
UsabilityScore
7.7
SocialScore
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7.5
SVT SCORESRead review

Chlorine injection system with a 35 gallon retention tank, rated 30 GPM for heavy iron, sulfur and bacteria loads in well water.

$1,186

SKU: CIS Category: Brand:

Usability

For Wells the Air Injection System Cannot Handle
Expert Score

When iron, sulfur or bacteria exceed what the WS air-injection system is rated for, chlorine injection is the next step, and the 35 gallon retention tank is what makes it work by giving the chlorine time to react. At 30 GPM it is the highest-flow system SpringWell makes. The catch is that it is a chemical dosing system: you are topping up chlorine solution rather than swapping a cartridge, and you will normally need a filter after it to remove what it oxidises.

Contaminant Reduction8.0
Certification Coverage4.0
Flow Rate10.0
Filter Life7.0
Build Quality8.0
Warranty & Support10.0
Ease of Installation6.0
Value7.0
PROS
  • 30 GPM service flow, the highest SpringWell publishes
  • 35 gallon retention tank gives chlorine genuine contact time
  • Handles iron, manganese, hydrogen sulfide and bacteria loads beyond the WS system
  • Wide 10-150 PSI operating window
  • Covers 1-7 bathrooms from a single unit
  • Lifetime warranty on tanks and valves
CONS
  • Requires regular replenishment of chlorine and water mix
  • Normally needs a filter downstream to remove oxidised material and residual chlorine
  • 35 gallon retention tank needs real floor space
  • More involved installation than a single-tank filter
  • Chemical dosing demands attention rather than a set-and-forget schedule
  • No published NSF/ANSI certification listing

The SpringWell Chemical Injection System doses chlorine into well water ahead of a 35 gallon retention tank, giving the chlorine contact time to oxidise iron, manganese and hydrogen sulfide and to kill bacteria. It handles contamination loads beyond what the air-injection WS system can manage.

Service flow is 30 GPM, the highest figure SpringWell publishes on any system, across one to seven bathrooms on a 1 inch connection at 10 to 150 psi. The retention tank measures 18 inches wide by 33 inches tall.

Maintenance is replenishing the chlorine and water mix rather than changing filters. This is the heaviest-duty well treatment SpringWell sells and normally sits ahead of a filter that removes the oxidised material and residual chlorine.

Social Scores

Social Score

SpringWell publishes review scores through Yotpo on its own site, so the ratings below are solicited and moderated by the manufacturer rather than collected on an open marketplace. SpringWell has been owned by Fortune Brands Innovations since February 2024.

Reddit Score8.0

Brand-level. Aggregated analysis of roughly 500 mentions across r/WaterTreatment, r/Plumbing, r/homeowners and r/HomeImprovement puts SpringWell's FutureSoft among the best-regarded salt-free conditioners, cited for TAC media, flow rate and the absence of any running cost. Salt-based and well systems draw less discussion.

Google Score8.0

Brand-level. Coverage is broadly favourable on flow rate, media life and the lifetime warranty, and SpringWell cites Forbes, Money and Washingtonian mentions. Recurring criticisms are the high entry price relative to cartridge systems and the permanent discount framing on its own storefront.

YouTube Score7.0

Brand-level. SpringWell publishes its own installation walkthroughs and most video coverage is DIY-install oriented rather than independent testing. Reviewers consistently report the systems install without a plumber on standard 1-inch plumbing.

Additional information

Specification: SpringWell CIS Chemical Injection System

Water Filtration Specifications
Contaminant Removal

Bacteria, Hydrogen Sulfide, Iron, Manganese

Filter Lifespan / Capacity

Not published

Flow Rate / Water Pressure

Over 25 GPM

Connection Size

1 in

Filtration Type

Chemical Injection, Oxidation

General Specifications
Warranty

Lifetime

Dimensions

Retention tank 18" W x 33" H, 35 gallon

Country of Origin

USA

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