For some reason bottle brushes are always disappearing from our kitchen. After one too many times needing one and not having it as well as not having time or inclination to run to the store for a new one, I decided to see if I cold just make one.
This is how I have been making them since. They do rust if you don't let the dry properly but being as they are made from small piece of kitchen sponge and a wire coat hanger in about five minutes, I don't mind just making a new one.
Step 1: Materials and tools
A kitchen sponge
A wire hanger, the complete loop kind. The ones with cardboard bottoms don't work as well
A screwdriver or maybe just a large nail
Pliers. I used my Leatherman tool for this one
Step 2: Cut your sponge
Just cut a piece of sponge that is small enough to squeeze through the top of whatever bottle you are washing.
If it's too big you can cut it down later.
Step 3: Pull the hanger into a long loop
With the hanging hook at one end simply pull the hanger into a long loop. The hanging hook will be the handle end and provide a handy way to hang your brush for drying and out of the way storage.