thanks stinky u always answer my threads, really appreciate it,

how often would u say to water them? i would like to build my own table, tray an res AN do IT 4' x 9' i dunno what size pot i should finish in, i got out 12 medium which are 15 litres i think and 10 which are 22 litre which i would of used for soil but am i right in sayin u dont need as big a pot when in hydro? if so shall i only fill them 3 quarters? im gonna use clay pebbles i think but i aint bought em yet..