Domestic farm raised fresh from the pond Live Crawfish, only sold seasonally. If purchasing your live crawfish the day before your boil, take your crawfish sack and hose them down and place them in a cooler with a sealed bag of ice. Make sure the drain hole is open so that they wonât be submerged in standing water. Keep them in a cool place and out of the heat. How To Purge Live Crawfish: 1.Hose crawfish sack with water thoroughly. 2.Empty sack into cooler, ice chest or tub and rinse again (keep...