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OhioAnts Test Tube Feeders

(2 customer reviews)

Price range: $11.00 through $20.00

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These test tube feeders fit 16mm diameter test tubes, and are the perfect way to feed a small colony that isn’t quite ready for an outworld yet. Each feeder has two compartments that fit in the tube, making it easy to keep protein and sugars separated. They also have a flat base that keeps tubes from rolling, and allows room for a heating cable underneath. OhioAnts’ unique low-cut design means that it is effortless to reinsert the cotton plug into the tube opening after adding or removing the tube feeder. The feeders come in packs of 10 and packs of 20.

Like other OhioAnts products, these tube feeders are offered through the OhioAnts opensource initiative, learn more about the opensource initiative at this link: https://www.ohioants.com/opensource/

Dimensions1.25 × 0.75 × 0.5 in
Fits:

18mm Tubes, 16mm Tubes

2 reviews for OhioAnts Test Tube Feeders

    Emily
    December 17, 2025
    These work really well. I’m a beginner so initially I had a hard time envisioning how they work, but once they arrived it was really obvious, there’s two dishes for food and they’re positioned so they can be placed in the tube and then cotton added to plug the tube behind them, and the whole contraption is shaped to create a flat bottom to the set up so you don’t have to worry about your test tube rolling.
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