Quick view Natrakelp Natrakelp 12-3-12 NatraKelp N.P.K. 12-3-12 N P.K. 12-3-12 Is made using 65% Natrakelp seaweed for plants with Nitrogen Phosphorus and Potasium added along with a trace element package. By addin… Log in for pricing Compare Compare No more product Items 601 to 601 of 601 total 26 27 28 29 30 31 Compare0