When transferring discus, we have to attention to some details. If we hav an existing system and new fish will be put in to this system, we must have an quarantine aquarium.

When becoming together that fishes come from different system, this can be a start of a bad operation.

This situation has a low possibility but to avoid from this adventure we have to put in our valuable fishes into quarantine process.

To provide the balance of the tanks between that to put in and transferred, we have to put water into tank slowly. We have to make this operation with patient.

Thus, we aviod our fishes from instantaneously variation.