Yeal I dito that ISO,refined sugar is the the way to go in hydro.Botanicaire sweet is one of the hydro carbs you can add and AN carbo load is good to.I have used both and sweet is easyer to mix as the AN is a thich gel like you add to the res it works very well.Soil molasses is great,In hydro no inless you have a res over 60gallons and it is circulate in the tank 24-7. Peace
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