In this issue, specialists in the repair and maintenance of aquariums and terrariums in three price segments will be tested. Will the services be provided qualitatively? And how Dmitry Maslennikov and the invited experts will evaluate the work of the masters, we will learn from the "Blacklist" program.

Dmitry Maslennikov will check the cleaning in three price segments – cheap, medium and expensive. The presenter will order antibacterial cleaning, cleaning after the children's party and express cleaning. The Blacklist program will show how the specialists will cope with their work.