WATER SOFTENER (SERIES 4 of 4 BLOGS)

SOFTENERS MAINTENANCE (6.1 – 6.3) AND OPERATIONAL QUESTIONS (7.1 – 7.3)

 Lenntech. “Water Softener Frequently Asked Questions.” (June 13, 2011)

 http://www.lenntech.com/processes/softening/faq/water-softener-faq.htm

6. SOFTENERS MAINTENANCE

6.1 When does a softener resin need replacement?

When the water does not become soft enough, one should first consider problems with the salt that is used, or mechanical malfunctions of softener components. When these elements are not the cause of the unsatisfactory water softening, it may be time to replace the softener resin, or perhaps even the entire softener.

Through experience we know that most softener resins and ion exchanger resins last about twenty to twenty-five years.

6.2 Does a softener brine tank need cleaning?

Usually it is not necessary to clean out a brine tank, unless the salt product being used is high in water-insoluble matter, or there is a serious malfunction of some sort.

If there is a build-up of insoluble matter in the resin, the reservoir should be cleaned out to prevent softener malfunction.

6.3 What is ‘mushing’ and why should we avoid it?

When loosely compacted salt pellets or cube-style salt is used in a resin, it may form tiny crystals of evaporated salt, which are similar to table salt. These crystals may bond, creating a thick mass in the brine tank. This phenomenon, commonly known as ‘mushing’, may interrupt brine production. Brine production is the most important element for refreshing of the resin beads in a water softener. Without brine production, a water softener is not able produce soft water.

 7. SOFTENER OPERATIONAL QUESTIONS

7.1 Can brine from softeners damage a septic tank?

The Water Quality Association has performed studies on this subject. These studies have indicated that a properly placed septic tank that works adequately cannot be damaged by brine that is discharged from a water softener. And softened water can sometimes even help reduce the amount of detergents discharged into a septic tank.

7.2 Can a water softener be used with lead pipes?

Lead pipe systems have to be replaced, before softened water can flow through them. Although lead pipe systems in hard water areas may not cause a problem, it is advisable to replace them anyway. When naturally or artificially softened water ends up in these lead pipe systems, it may cause the pickup of lead.

7.3 Can one measure water hardness inline?

Yes, although the measurement system is mainly applied in industrial water softeners.

The Testomat inline water hardness instrument…

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