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.
 

Boneman

Well-Known Member
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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