This is what I added to the rapid rooters....
For the water, I put in half strength clonex, hygrozyme, and Pot of Gold.
Of this I only added one tsp per clone.
This is what I was told to do by the Hydro store guy. This store is really nice, 4,000 square feet of Hydro stuff. They even have a fully stocked bar. You get free drinks while you do your shopping.