tommyleestaples
Member
I have hard water GH of 19 dgh and KH of 13 dkh.
If I add magnesium (epsom salts) to the water will it make it harder?
If I add magnesium (epsom salts) to the water will it make it harder?
this is an interesting one, have you got the figures for Mg & Ca? our chalk aquifer water has a huge amount of calcium but hardly any magnesium (and this would be the similar situation across most of S. England).My tap has a lot more Mg than Ca (GH of 10) so I add calcium (in the form of gypsum).
dw1305 said:this is an interesting one, have you got the figures for Mg & Ca? our chalk aquifer water has a huge amount of calcium but hardly any magnesium (and this would be the similar situation across most of S. England).My tap has a lot more Mg than Ca (GH of 10) so I add calcium (in the form of gypsum).
cheers Darrel
tommyleestaples said:So you would recommended adding Magnesium to my water? Maybe 10 ppm?
tommyleestaples said:I have not planted the plants yet so maybe a good idea would be to plant the plants and see if I get any signs of magnesium defiancy then I can start adding the Magnesium (Epsom Salts)