enomol Gravel Vacuum for Aquarium Water Changer Fish Tank Cleaning Tools,Siphon Universal Quick Pump Aquarium Water Changing (50ft)

Amazon "Aquarium Siphon Vacuum" if you want to make it really easy I used to own something similar to this: https://www.amazon.com/enomol-Aquarium-Cleaning-Universal-Changing/dp/B098F6LXYG/ref=sr_1_30?sr=8-30 Where i could vaccum the tank and then flip a lever and it would refill the tank as well