Originally Posted by Tidewater Yakker
A good rule of thumb is to have 3' of line out for each 1' of water you want to anchor in. That should hold your anchor. You can also try 1' of heavy chain connected to the anchor, than the line. That will lay your anchor down and let it dig in. Hope this helps.
I agree with at least 3' of line for each 1' of depth but I would recommend 3-4' of heavy chain attached to the anchor.