Guest Posted March 31, 2022 Share Posted March 31, 2022 This is my first run in coco after a few runs in soil. Been struggling with constant cal/mag deficiency’s even though I’ve always used calmag at full strength. So I decided to get my water tested at growers ark turns out I’ve got very soft water. So im going to use their soft water feed. My question is would I need to add calmag will There be enough in the feed? Cheers Calcium 5 Magnesium 0 Sulphate 7 Alkalinity 30 pH 7.40 Link to comment Share on other sites More sharing options...
dingo bingo Posted March 31, 2022 Share Posted March 31, 2022 If you reply back to that email with the results they'll tell you. Link to comment Share on other sites More sharing options...
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