Ant Queen Tube Holder - 17x150, 19x150, 21x150

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These tube holders are to help you keep your queens organized as you collect them during their nuptial flights. I made these to fit 3 different sizes of glass tubes and for 2 main reasons.

1. This will keep them in the dark (if you print it in darker colors) which will help your queens be more prolific (get started laying eggs and raising young.).

2. It will keep your ant queens organized.

I now have 3 different hole sizes and I add 1mm to the hole size so the tube fits snug but not to tight so that it's easy to pull the glass tubes in and out.
17x150mm - with 10 slots that fit 16x150mm glass tubes (https://amzn.to/3bSXCoI).
19x150mm - with 10 slots that fit 18x150mm glass tubes (https://amzn.to/3bNyHTm).
21x150mm - with 8 slots that fit 20x150mm glass tubes (https://amzn.to/2KHgbQz).

Please watch out for videos on this and videos on ants I keep on my youtube channel! http://www.YouTube.com/thefishtank