i use those well i use the cool blue for veg and the cheep-o ones for flower
u will need 4 of ea for flower and veg
get the cool blue they sell in packs of 2 at wally world
get the Great Value ones GV they are in the color spectrum for flowering
they are like 5 bucks for 4 i think and the cool blue ones are like 6bucks for 2
i haven't used the ones u showed up there