Because of the small size of my ECB I clean the grills every time I cook (sometimes before, sometimes after :D). I empty the water pan and clean it with soap and water each time (I admit I let it get nasty pretty often -- can't clean it hot and often don't clean it the next day either).
Southern Brethren BBQ Competition Team
"It's all about getting paid!" - Myron Mixon
"I love being hated in my hometown!" - David Hair
KingFisher Gator Rotisserie cooker, WSM, Stainless 5 burner with IR gas grill, Turkey Fryer, Weber JD Commemorative grill, slightly used Bandera chamber for future use as a cold smoker, Masterbuilt 40" insulated ELECTRIC smoker