You don't need to feed your plants nutrients until they have 3 internodes, the 2 little round leafs that form first have enough stored in them until that time. And as far as what your buddy is telling you don't even pay attention right now. Just go and buy nutrients from a hydro store and do what the back tells you as far as amounts per gallon or what the guy at the hydro store recommends. Learn how to grow first, what your buddy is telling you be it true or not is of no concern to you now.:thumbsup: