RO water with seeds?

korn534

Well-Known Member
i heard you need calmag with ro water but do i need calmag for germinating seeds? im germinating my seeds in a prop tray in rockwool cubes and will be using ro water when do i need to start adding calmag plus to my water.
 
You dont need cal mag for germ'n. You can prolly start using cal mag when you start nutes or when you notice a def. It works quick especially in dro.
 
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