Nutrient change

Uploading… when should i switch from using all three gh to the last two onlh?

I never do, I just decrease to 3.2.1 mix

What do you mean 321?

On the back of a GH Flora bottle, flowering nutes are mixed at a 3-2-1 ratio
(Read the bottom line)

Im growing in dwc, i have gh papmlet and it shows mixing instuctions differant from bottles