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  1. J

    Repeating Ceramic Seal Failures

    Hi all, Long time reader, sporadic poster. I run a pool shop in New Zealand and am having a problem that I have never come across before... Maybe someone might have some advice and can point me in the right direction? Part of our work is that we do pump warranty work for a NZ based pump...
  2. J

    Remove copper through shocking?

    Evening all, Currently helping someone who's kids have been getting green hair from too much copper in the pool. My understanding that the main choices were either changing some water out to dilute the copper levels, or to use a chelating agent to keep the copper in suspension. However it's...
  3. J

    How much copper is too much copper?

    Obviously if a pool is balanced and looked after, it's uncessary to add copper based algaecides or use Tri-Chlor tablets that include Copper Sulpahte. However my question is, at what concentration does high copper become a problem? I've seen some figures suggesting that copper should always be...