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 101 to 101 of 101 total 1 2 3 4 5 6 Compare0