I am having difficulty with determining the Total Hardness in my saltwater aquarium.
I have been using an eXact iDip 570 testing system for many years. You test dKh, CAL and Total Hardness. The device/app then uses CAL and Total Hardness to give you the MAG level.
My device has been returning a "Lo" reading for Total Hardness and so no MAG reading. Today my dKh was 7.62 and CAL was 455.20.
Today i used a Salifert MAG test which gave me 1350 ppm result.
What is another test for Total Hardness?
Thank you in advance.
I have been using an eXact iDip 570 testing system for many years. You test dKh, CAL and Total Hardness. The device/app then uses CAL and Total Hardness to give you the MAG level.
My device has been returning a "Lo" reading for Total Hardness and so no MAG reading. Today my dKh was 7.62 and CAL was 455.20.
Today i used a Salifert MAG test which gave me 1350 ppm result.
What is another test for Total Hardness?
Thank you in advance.