You could always keep your bottle on a small brick inside a bowl with water in it. Think of it like a moat for a castle. The would drown in the bowl's water before they get to your bottle.

This isn't meant for this purpose, but is kind of similar to what I envisioned. This is not a product endorsement.

You could always keep your bottle on a small brick inside a bowl with water in it. Think of it like a moat for a castle. The would drown in the bowl's water before they get to your bottle.

This isn't meant for this purpose, but is kind of similar to what I envisioned. This is not a product endorsement.

You could always keep your bottle on a small brick inside a bowl with water in it. Think of it like a moat for a castle. The would drown in the bowl's water before they get to your bottle.

This isn't meant for this purpose, but is kind of similar to what I envisioned. This is not a product endorsement.

You could always keep your bottle on a small brick inside a bowl with water in it. Think of it like a moat for a castle. The would drown in the bowl's water before they get to your bottle.

This isn't meant for this purpose, but is kind of similar to what I envisioned. This is not a product endorsement.