basslover34;1705868; said:If you ever see 5' it would be a miracle from the RTC, and I'm sure you know how to tell the difference between a Perruno and a marble which your talking of a range depending on which species you get of between 2' and 3' but the RTC will get to 18" faster than your Purreno will get to 12" even with the headstart so you'll need to keep that RTC stuffed at all times or you'll have an expensive feeder