a 160 gph pump should do the trick, i use several but there different sizes. there both from hydrofarm and there called the active aqua pump
disrupt86 Reviewed by disrupt86 on . Pumps how big of a water pump would you need for like 4 plats on an ebb and flow system....and how many gallons should the resivoir be? also how big of a pump would you need for about 8 plants on a drip irrigation and how many gallons should the resivoir be? Rating: 5