PWTAG Technical notes are updates or new material for the standards and guidance given in the PWTG book, Swimming Pool Water and the PWTAG Code of practice and should be read in association with these publications.
Concern has been expressed by a number of pool operators that recommended swimming pool temperatures in the latest version of Swimming Pool Water have increased since the 1999 edition.
The values in the table on page 37 are clearly maximum recommended values, not to be interpreted as targets.
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