Smart aquarium monitoring system is an automatic system that is taking care of the pet fish in the aquarium is a tedious process and should be properly set up and maintained in a healthy manner or else the fish will be destined for an unpleasant and short period of life. Therefore, it is critical to monitor aquarium conditions and improve the water quality of the mini aquarium tanks. Fishes require the utmost care, they need some specific conditions like temperature level, pH, and suitable oxygen.