Light up the candles.
Hold the nail with pliers and heat it with candles.
After the nail is hot enough, push it through the film canister until it make a small hole.
Repeat step 2 and 3 until there's enough holes in canister.
Put the silica gel inside the container.
Silica gel ready to use. Put the container inside your dry box.
- 35 mm empty film canister
- 1.0 Small nail (diameter 1 mm)
- 1.0 Pliers
- 1.0 Candle