Underwater Video Camera / Camcorder Housing for less than $50

Step 5 Wreck the jug

I used a small drill bit and drilled a pilot hole through the bottom of the jug from the outside where I'd marked the "center" of the circle I'd made inside. I was off by a little, but that helped me correct where I needed to drill with the hole saw. WARNING: the jug is no longer watertight. :-)

Carefully re-marking the bottom of the jug, I used my hole saw (with the pilot bit in) and drilled a 2-inch hole. You'll need to hold the jug securely while doing this, and be prepared to go through two layers of plastic with a layer of foam insulation between them. Not only will the jug want to spin, but as the hole saw cut through the layers, it caused my drill to jump slightly, which is why I'm noting it. Be careful.

Once I drilled the 2-inch hole, I put my camera inside the jug and tested fit. I got lucky and the hole was exactly where I wanted it.