klotz: chemistry*

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  1. 2019-07-03 Tags: , by klotz
  2. 2019-05-16 Tags: , , , , , by klotz
  3. 2017-10-19 Tags: , by klotz
  4. 2018-07-24 Tags: , , by klotz
  5. total hardness of 50-175 ppm CaCO3 (2,9-9,8 dH°)
    carbonate hardness of 40-75 ppm CaCO3 (2,9-9,8 dH°)
    total hardness should exceed carbonate hardness
    pH of 6.5-8  
    2017-09-28 Tags: , by klotz
  6. 2017-09-28 Tags: , by klotz

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