i just read that if you call general hydroponics and tell them that you want a sample of thier new gh organics line, they will send you an ounce( i think it was an ounce) size of the whole line for free... you just have to pay for the price of shipping, which i heard is only like $20 or so... but be warned, they ship it in a big box that clearly says hydroponics and stuff like that right in big ol letters for all to see...