How To Look At A House

McGarry and Madsen's home inspection blog for buyers of  

site-built, mobile/manfuactured and modular homes

Why is my pool ladder rusting?

Sunday, April 4, 2021

A stainless steel pool ladder with premature rust or pitting is usually caused by either low or high salt at a salt water pool, or low ph at a chlorine pool. The example shown in the photos above and below was at a pool at a vacant house with the red “low salt” warning light lit at the chlorine generator panel. So that was likely the primary cause.

    But another factor that can corrode stainless steel is a ladder that is not properly grounded. This allows galvanic corrosion, which is an electrochemical disintegration that happens when metals are in contact with an electrically conductive liquid, typically water. See our article When was pool bonding first required by code? for more on this.

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Here’s links to a collection of our blog posts about POOL AND SPA:

Does an above-ground pool require a building permit? 

Does an above-ground pool have to comply with code requirements for a swimming pool barrier?

What are the pros and cons of vinyl liner vs fiberglas vs concrete in-ground pools? 

• Can a pool with green, cloudy water be inspected?

• Should I refinish-resurface my pool with paint or plaster?

• Why are pool pumps now required to be variable speed? 

What are the clearance requirements for an overhead electric service drop that is directly over or near a swimming pool?

    Visit our POOL AND SPA page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.

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