Hi Savelii,

Why don't you use Commercial fiberglass tanks?

These tanks are easier to operate and can be adjusted to your test conditions.

We want to make a new equipment for a new kind of tests, so we can only make it by ourselves. Two parts of tank need to be visually recognisable by a fish, but basically without some preference to each other (like in CPP test chamber for rodents).

If you click images by typing Zebra fish tank in Google, multiple varieties show up, try