<![CDATA[The PoolForum - Dealing with Stains & Metals, . . . and 'Minerals' & 'Ions',]]> https://poolforum.com/pf2/ en Thu, 16 Apr 2026 01:29:34 GMT vBulletin 60 https://poolforum.com/pf2/images/misc/rss.png <![CDATA[The PoolForum - Dealing with Stains & Metals, . . . and 'Minerals' & 'Ions',]]> https://poolforum.com/pf2/