Aqua One Glass Mini Tanks

[MermaidMel]

I've seen these for sale, they are glass. 18cm x 13cm x 15cm equals just over 0.7 imperial gallons or 0.9 US gallons.

You couldn't even fit a heater or filter in them. What would you be able to keep in them without a heater?

 

[nurglespuss]

amano shrimp in a warm room? trumpet snails?

 

[MermaidMel]

amano shrimp in a warm room? trumpet snails?

Exactly - not sure what the point of them is really