swtwater.com Home Page
SWT's ProSelect ER20009 Backwash Expansion Graph
(P/N ER20009)
Product Information
SWT's ProSelect ER20009 Anion Resin (P/N ER20009) Backwash Expansion Graph
 
BACKWASH — After each cycle the resin bed should be backwashed at a rate that expands the bed 50 to 75 percent. This will remove any foreign matter and reclassify the bed.