RUFUS HOUND Posted February 18 Share Posted February 18 you wll only need epsom, if your water is low in magnesium - ideally you want approx 3:1 ratio of calcium/magnesium my water has a raito of about 13:1 without the epsom - Im just startng to use the epsom solution on my first coco grow and it working spot on so far at 2ml/litre 1 Link to comment Share on other sites More sharing options...
NormanNugget Posted February 18 Author Share Posted February 18 Thanks @RUFUS HOUND my water is about 8:1 so will add a little Epsom solution to bring this closer to 3:1 Link to comment Share on other sites More sharing options...
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