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    Interesting Boron regulation in Australia

    Speaking to NICNAS (National Industrial Chemicals Notification and Assessment Scheme) Australias governing body for safe chemical use in Australia. I was told products containing boric acid have an S4 scheduling, in Australia S4 goods sold for human use must me sold under the advice of a...
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    some chem questions

    Hi, have learnt a lot in a few days reading here but have some questions. As a new pool owner, I was very uneducated on it water chemistry. Pool was established at the end of our swim season and we are now entering warmer weather again now, over winter I had nil problems, then lifted the cover...