Thread:Akiratachi/@comment-31492543-20170727221029/@comment-31492543-20170821005228

in the episode (spoiler alert) Goku is in SSG form and whis comments saying "he's in SSG because it doesnt use as much stamina as SSGSS and that he transforms to blue for a brief moment when attacking to MAXIMIZE SPEED AND ATTACK" meaning blue is stronger than red.