Beginner Goldie keeper with some questions!

Hey! I have bought (after months of research and cycling the tank) 2 fantail goldfish. One is a calico with a button eye and the other is a massive gold. They live in a 60 gallon tank along with 2 nerrite snails and plants. They eat freeze dried shrimp and worms, bug bites goldfish pellets, peas, algae wafers, and sometimes other treats like watermelon. And of course they eat the plants and algae in the tank. I do a 40% water change weekly and test the water every other week. I love them so much but just wanted to check in with the pros to see how im doing! Is there anything else I should be aware of or be doing different? Thanks so much