Under www.uwitec.at you can find high aproved corecatchers for all typs of sediment. Ball corecatcher with integrated piston for short surface cores.

Standard, so called orange peel core catchers and our special invention the hydraulik core catcher.

Find also videos on our webpage under sediment.

I have never made a homemade core catcher, but I did hear a story from a captain of a research vessel about how once, in a pinch, they made core catchers out of soup cans (that apparently worked well). Although a core catcher cut from a steel can sounds like even more of a sharp edge hazard than a regular core catcher.

At the Bedford Institute of Oceanography (Geological Survey of Canada Atlantic), the Metrology Section of the Dept. of Fisheries and Oceans developed a basket-design core catcher for the LeHigh gravity corer that was very successful and reusable.