Yes it is best when you use with Dr earth seed startermix
One, 1-pound "brick" of compressed coir.
One pound dry weight, before adding water.
Of course it doesn't weigh 16 pounds before water.
Many store will have on stock in the home depot.Free ship to store i believe its available in many locations.
Will work well mixed in with top soil or compost soil.coco coir will help with sustainment on nutritional value on roots or a moist setting for lawns or plants.50 # or 40# bag would be good with aprox half gallon of coco coir.