Please help. Need info on 1/4" drip line I am in the process of adding a drip irrigation system to my veritable garden. I want install 1/4" drip line to my 4' by 4' raised beds. I would like to use the type with drip holes every 6". I can not find information concerning the the flow rate of the 1/4" drip line. I would like a flow rate of about 1 GPH per hole. None of the suppliers advertise their flow rates and I'm not sure which 1/4" drip line would work best, the laser drilled or the regular. ...