Famine, I wasn't offended by your question or your comment. I simply wanted to make clear that it is very possible to grow different strains together in the same hydroponic reservoir. In fact, most hybrids seem to have basicaly the same nute needs, at least according to my experience. It is a shame that it did not work for you: what strains were you growing together?
As I wrote above, I research the strains I want to buy and I keep a record of her needs, flowering height, weeks in flower, percentages of THC and CBD, parent chemovars, etc. I like to know as much as I can about a plant I'm going to grow, so I can take the best care of it, grow some kick-ass bud and so I know what kinds of medicinal effects it will have for friends who need medicine.