Anyone used Goliath nutrients?

Ok so I'm confused beyond my understanding and this is really bugging me. These nutrients say to use a 5-6 ph range for hydro AND soil. How does this work. Surely they messed the label up. I've got some plants in a soil mix and have been having a few issues. I have been getting the ph around 6.0 and have since tried a 6.7 but it seems like its locked out iron
Using terrazilla medium and goliath veg a+b and bloom a+b
Anyone have any advice?

Bigdoobs said:

I've got some plants in a soil mix and have been having a few issues. I have been getting the ph around 6.0 and have since tried a 6.7

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I can only speak for myself, I grow outdoor in my own soil, I tried the soil mix in the past with less than par results. For the first month of the plants life, I keep the ph around 5.5 to 6, as the girls get older, say full veg, I up the ph to 6 - 6.3 now that they are eating good. In flower I try to keep the ph around a steady 6.5 until I quit feeding and cut.
Good luck