At bottom of calculator is has Suggested FC Levels
SWG:2
Normal:3 to 7
Shock:15
Mustard Algae Shock:24
What do these numbers mean and when are they applied? THX
SWG:2
Normal:3 to 7
Shock:15
Mustard Algae Shock:24
What do these numbers mean and when are they applied? THX