Plant Magic Oldtimer Organic Magnesium is a one pot stop to Magnesium deficiencies. Plant Magic Oldtimer range offers an organic option for prevention and cure of magnesium problems. Plants usualy display defieciencies through stunted growth and leaves; plant leaves will show yellowing especially around leaf edges.
Plant Magic recommends Magnesium in this powder to be used once in the vegetation stage then again around week 5 of growth and/or additionally when you notice a deficiency.
1 scoop should be used per 10L of water.