N-Ext Sea-K™ contains a highly concentrated Sea Kelp derived from the cold waters of the North Atlantic.
N-Ext Sea-K™ contains high concentrations of Auxins, Gibberellins, and Cytokinins. These combined with the naturally occurring trace elements and minerals will give an added boost to your
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Improved my soil and grass roots
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Alfred · April 7, 2026
I just used it, so I'm not sure of its effectiveness. Great customer service.
