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Oregongrower
- Posts
- 22
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- 16
- Joined
- Nov 7, 2015
- Points
- 3
Hey I am using canna coco a&b and canna coco coir I also noticed that they don't have a cal-mag supplement with their line so basically my question to my fellow growers is do i need to use a cal-mag supplement I'm currently under almost 600w of led's from mars-hydro in a 4ftx4ftx7ft grow tent any help would be greatly appreciated