Aftercut lawn thickener feed and seed 28kg is a lawn feed with added grass seed that greens and feeds the existing lawn whilst adding new grass to thicken it comes in a handy even flo re usable spreader which helps to create a perfect even spread of granules across the lawn giving you great results every time refills packs are also available and sold separately one 28kg pack provides 80 square metres coveragefor best results apply to the lawn after mowing apply every 3 4 weeks from fe