11. There are two types of sparging . 12. Some elements like sparge of helium. 13. Most modern breweries use a continuous sparge , collecting the original wort and the sparge water together. 14. Most modern breweries use a continuous sparge, collecting the original wort and the sparge water together. 15. One tower within the pair contains a sparge bar, also located towards the tower's base. 16. Air and ammonia are injected through the sparge bar to provide the oxygen and nitrogen required for abrasion. 17. In the brewing version of sour mashing, brewers sparging when they believe enough acid has been produced. 18. Ozone is delivered ( sparged ) as a gas in either a dry air or oxygen carrier gas. 19. Later, he went on to train and coach Joe Penny, Fisher Stevens, and Raphael Sparge . 20. Most systems have a ring of spray heads that ensure an even and gentle introduction of the sparge water. 