the Lanthanum precipitate will 'dirty' the filter, which is why phosphate removers tell you to watch your filter pressure. A dirty filter will filter better than a clean one. Perhaps that is what occurred.
Re: Am I right or am I suffering from a all too common human delusion.
the Lanthanum precipitate will 'dirty' the filter, which is why phosphate removers tell you to watch your filter pressure. A dirty filter will filter better than a clean one. Perhaps that is what occurred.
Retired pool store and commercial pool maintenance guy.
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