Biofeed 90038-02 TURF-PLUS® 24-0-2 All Season Grass Fertilizer 2-1/2 gal - TURF-PLUS® is an all season grass fertilizer blend of nitrogen and potassium combined with Biofeed’s exclusive Amino-Cell Technology® ACT. TURF-PLUS® promotes vigorous leaf, stem and root growth. The added potassium aids in the regulation and uptake of nitrogen. TURF-PLUS® all season grass fertilizer is formulated for use year around, both warm and cool season