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Making Air Holes
Air holes are part of the design of your bottle system. The number, sizes,
and shapes will depend on what you’re using your system for. In general,
you’ll need to make air holes to provide adequate ventilation for
plants, insects, and other life. And, it’s important that the holes
be small enough to keep fruit flies and other small insects inside
your system. One thing to remember is that the more holes you have, the
faster
the contents of your system will dry out, and the more you’ll need
to provide water.
There are multiple ways to make air holes. Find
the way that works best for you.
Method 1: Nail Poke
Using a nail poke
- Heat the nail
poke in a flame – candle, propane torch, or gas
stove.
- While it is hot, use the poke to make holes
in the bottle.
Method II: Push pin
Simply push the push pin through the bottle being careful not to push so fast or hard that you crush the bottle.
Method III: Soldering Iron
Push just the very tip of the heated soldering iron through
the bottle. Be careful to barely touch the bottle so that the holes are small
enough to contain
the organisms within.
Making Holes in Bottle Caps
- Use a soldering iron or a drill for big holes
for wicks and holes for insects to move through.
- Use a hot nail poke for small
holes for air ventilation or water drainage.
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