TrueNute K-MAG

Instructions can be downloaded at the bottom of this page. TrueNute K-MAG is comprised of three minerals. 22% K (Potassium) 11% Mg (Magnesium) and 21% S (Sulfur) This product is OMRI listed. If you are growing most any crops in aquaponics, most likely you need both K and Mg as neither are normally naturally occurring in water, tap or well. With Potassium Deficiencies you may see; Old Growth is Affected First Yellowing between the Veins of the Leaves Plant Leaves will cup Plants will wilt in the heat of the day Dry or dead edges develop  in extreme cases Tomatoes that split open or ripen unevenly With Magnesium Deficiencies you may see; Old growth affected first The leaves will turn yellow at the edges You may see dead brown or grey spots on the leaves or around the edges Affected leaves may fall off We have added a picture of a leaf that shows both magnesium and potassium deficiency. We carry TrueNute K-MAG in 1 pound and 4 pound bags, free delivery to the USA. When we repack the