DaKine 420 Pure Coco does NOT have perlite. Our Coco Lite blend does include perlite and our OG Blend has perlite and a number of other ingredients. The Pure Coco is exactly that, pure coco. The Lite blend has Coco, Perlite, Bio Minerals, Dolomite, Yucca Extract, Endomycorrhiza and Beneficial Bacteria. The OG Blend has Coco, Alaskan Peat Moss, Perlite, Compost, Bio Minerals, Montmorillonite, Worm Castings, Fish Bone Meal, Bat Guano, Kelp Meal, Endomycorrhiza and Beneficial Bacteria.