Postal scales for me that can also run on batteries. That way you can put it in the boat with you or anywhere around the pond. Any little plastic tote will set on top. Just "zero" the scale out with the tub already on it. I carry a plastic "seamstress" tape in my pocket for measuring

Dear Alcohol, We had a deal where you would make me funnier, smarter, and a better dancer... I saw the video... We need to talk.