TGCanberra Posted December 9, 2011 Share Posted December 9, 2011 Can anyone advise if it is safe to use commercial Pool Water hardeners that contain Calcium Chloride dihydrate 60-100% as part of a DIY rift lake salt recipe?I can get all the other salts but cant locate pure Calcium Chloride in Canberra..thanks, Tim Link to comment Share on other sites More sharing options...
MelbBill Posted December 9, 2011 Share Posted December 9, 2011 It was actually my recipe devised back in th 1970s. The molecular weight of calcium chloride is around 110 while the dihydrate is 146, Therefore to get the same amount of calcium in the water you really need to use one and a third teaspoons of CaCl2.2H2O compared to one teapsoon of CaCl2.Just make certain you never use calcium chlorate which releases chlorine gas. Link to comment Share on other sites More sharing options...
TGCanberra Posted December 9, 2011 Author Share Posted December 9, 2011 thanks! Link to comment Share on other sites More sharing options...
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