When to start flowering nutes after 12/12 switch over

[Cannapiss]

i will be swapping grow over to flowering stage in 3 days and fed my the plant veg nutes 2 days ago...how long after switching should i start flowering nutes and do i go full recommended dose straight off the mark or ease into it?

 

[Modest Grower]

Check the labels but for mine I did a blend of grow nutes and bloom nutes until they were done stretching. My nutes had a range and I started in the lower end and worked my way up.