Cricut Machines & Supplies

I am purchasing the BiOrb Life 45L 12 Gallon Tank and was wondering what all, in addition to what else I am buying/comes with the tank, I will need.

My list of items that I will be buying is as follows:

1 - BiOrb Life 12 Gallon Tank
1 - Package of Aquarium Salt
2 - Fish food (flakes/granules)
1 - Rock Wall ornament (holes all through it so they can swim through and around it)
1 - Gravel
4 - silk plants
1 - siphon
1 - net
1 - heater
1 - filter
1 - filter cartridge
1 - air stone
1 - light
1 - water conditioner
2 - ceramic media
1 - air pump
1 - red dalmatian molly
2 - dalmatian mollies
2 - mickey mouse platies
1 - red wag swordtail

the tank is 23" tall, 15" deep, and 16" long.

if you can think of anything else that i would need for my tank it would be greatly appriciated!