Kiteloop Posted May 11, 2020 Share Posted May 11, 2020 (edited) Hi guys Struggle to source some CalMag. Any leads? CPT based, but dnt mind ordering online Edited May 11, 2020 by Kiteloop Quote Link to comment Share on other sites More sharing options...
SkunkPharm Posted May 11, 2020 Share Posted May 11, 2020 What are you growing in? When I grew in coco i used either greenhouse calcium or calmag from greenhydro. Quote Link to comment Share on other sites More sharing options...
Kiteloop Posted May 11, 2020 Author Share Posted May 11, 2020 @SkunkPharm im doing DWC. And running with GHE nutrients. Quote Link to comment Share on other sites More sharing options...
SkunkPharm Posted May 11, 2020 Share Posted May 11, 2020 The greenhouse powder feed should do the trick. Super easy to use. I think the hortishop has in stock. Quote Link to comment Share on other sites More sharing options...
Kiteloop Posted May 11, 2020 Author Share Posted May 11, 2020 @SkunkPharm Thanks will give them a call Quote Link to comment Share on other sites More sharing options...
CreX Posted May 11, 2020 Share Posted May 11, 2020 Part B hortimix and Epsom salts at a 5:4 ratio. Hydroponics. Co. Za I think they will have calmag mixed already though Quote Link to comment Share on other sites More sharing options...
1000Hills Nursery Posted May 11, 2020 Share Posted May 11, 2020 Use calcium nitrate and magnesium sulphate (Epsom salt) from hydroponics.co.za Don't use the calmag they have as it has a lot more nitrogen then going with the above option and the flora series already has plenty N. When I used those nutes in dwc I eventually used only the micro and bloom and not the grow part. 2:1 in veg and 1:2 in flower. On its own GHE has just borderline too little calcium for dwc for most strains. In the mean time up the dose of the micro if you seeing a calcium defiency while you wait for the calcium nitrate. Not too much if you like reaching midflower. Epson salts you should be using anyways as an additive in dwc standard especially in flower. 1 Quote Link to comment Share on other sites More sharing options...
CreX Posted May 12, 2020 Share Posted May 12, 2020 9 hours ago, 1000Hills Nursery said: Use calcium nitrate and magnesium sulphate (Epsom salt) from hydroponics.co.za Don't use the calmag they have as it has a lot more nitrogen then going with the above option and the flora series already has plenty N. When I used those nutes in dwc I eventually used only the micro and bloom and not the grow part. 2:1 in veg and 1:2 in flower. On its own GHE has just borderline too little calcium for dwc for most strains. In the mean time up the dose of the micro if you seeing a calcium defiency while you wait for the calcium nitrate. Not too much if you like reaching midflower. Epson salts you should be using anyways as an additive in dwc standard especially in flower. Literally what I said lol... The calcuim nitrate is part B hortimix. you sounded more professional though lol I liked that Quote Link to comment Share on other sites More sharing options...
1000Hills Nursery Posted May 12, 2020 Share Posted May 12, 2020 40 minutes ago, CreX said: Literally what I said lol... The calcuim nitrate is part B hortimix. you sounded more professional though lol I liked that I meant to say as per @CreX and in addition... The calmag has more nitrogen in it then Calcium nitrate + Epsom and which is the better option to avoid too much N in flower. I've used those nutes so there's no I think they have a calmag that's already mixed etc. Repition of advice = no guess work. The more growers agreeing to a solution gives the man with a problem more confidence to take our advice knowing we have done it before and not just quoting from research. But CreX we both here for the same reason... 1 1 Quote Link to comment Share on other sites More sharing options...
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