hi all as a virgin gardener ive bought a growers manual ive sealed off my shead and painted matt white. and taken care of ventilation and humidity for starters and ive chosen the seeds to be used super spud. now iam confused as to the lighting aspect i would like to plant 10 seeds but which lights do i use i thought maybe 600 watt flourescents as ive been told to be wary of hps lights because of security and economy. is this right i would be greatful of any tips also could anyone tell me of any shops or outlets in the manchester area of the uk where ill be able to buy the lights from as i dont have a credit card for ordering anything thanks. spiritwalker.