1, the fish tank is rectangular, generally with a cover, and the fish tank is round, generally without a cover.
2, large fish tanks, generally covered, small fish tanks, generally uncovered.
3. For those with high water temperature control requirements, it is good to have a cover, otherwise it is not good.
4. It's good not to cover those with high ventilation requirements, and vice versa.
5, according to the placement position, the side observation is beautiful, well covered, and the overlooking observation is beautiful, so well covered.
6. It is good to install a fountain without a cover in the water, and vice versa.
In short, according to the shape, size, air control, temperature control, observation, beautification and effect of your fish tank, you can decide whether you need a lid or not and what kind of lid you need.
Ha ha, I wish you all your wishes come true, please adopt them in time!