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  How much EDTA is needed to make 700 TDS hard water soft?

  Posted by Abdullah on November 19, 2022 at 5:48 am

  Water hardness is 700 TDS where i live. To make this hard water soft, how much EDTA is needed in a solution with pH~8 in ppm? 

  Abdullah replied 2 years ago 2 Members · 2 Replies

  • edta
  • water
• 2 Replies

• 

  PhilGeis

  Member

  November 20, 2022 at 1:57 pm

  Can’t answer that question but there are EDTA methods for determining hardness - perhaps execute with reverse intent.

• 

  Abdullah

  Member

  November 21, 2022 at 2:48 am

  PhilGeis said:

  Can’t answer that question but there are EDTA methods for determining hardness - perhaps execute with reverse intent.

  I have TDS meter. Isn’t that accurate to determine water hardness?

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