On todays news there was a report of how some Syrian refugees in very poor makeshift camps, almost desert like conditions, were growing their own crops using a simple (?) hydroponics with old foam from matresses - inspiring ! We have often though about growing by this method, but every time, the more you look into it, the more equipment like ph pens, additives, solutions for this that and the other, just make it seem like something too far from gardening. However, feel sure those refugee do not have all that stuff, so are we really being taken for a ride ? clearly it would apply to commercial growers, but in our back gardens ? We would love to try a simple method, if anyone can say how ?