This is a general overview of how to start a fancy goldfish tank and how to properly keep them. There are plenty of other details that I glossed over and I recommend looking deeper into them. Wikipedia is a great source (your teachers lied to you).
Note: The following contains affiliate links that give me a portion of each sale at no additional cost to you.
1: Tank - 20 gallon minimum (40+ gallon recommended)
Go to your local Petco or Pet Supplies Plus
TIP: If a tank is too expensive, a sturdy 40 gallon storage bin from Home Depot or Lowes also works at a fraction of the price
2: Canister Filter
https://amzn.to/3LunEAJ
3: Air Pump & Sponge Filters
https://amzn.to/3LunPMp & https://amzn.to/3HOG50C
4: Luke’s Goldies MERCH (Absolutely necessary)
https://lukes-goldies.creator-spring.com
5: Water Conditioner
https://amzn.to/363rOzb
6: Beneficial Nitrifying Bacteria
https://amzn.to/3uLYmIs
7: Freshwater Testing Kit
https://amzn.to/3GG8JzD
8: Python Water Changer (Not necessary, but recommended)
https://amzn.to/3LuWzgM
9: Mizuho Fish Feed - Coupon code linked here
http://mizuhofeed.refr.cc/lukehagopian
10: Ammonium Chloride (Not necessary if you use crushed fish food)
https://amzn.to/3sEK49B
11: Water Heater- 300 Watt+ (Not technically necessary, but highly recommended)
https://amzn.to/3sBgL8b
12: Aquarium Salt (Not necessary, but recommended)
https://amzn.to/3HP1JSr
13: Methylene Blue (Not necessary, but recommended)
https://amzn.to/3uKfQEZ
14: Sand Substrate (Not necessary, but recommended)
https://amzn.to/363s9lr
15: Live Goldfish- Discount Code: LUKE
Goldfish are social creatures, I recommend buying at least two
https://www.goldfishisland.com/?ref=Luke
My Informational Articles:
https://lukesgoldies.com/content
My Patreon (Support This Channel and Personalized Help!):
https://www.patreon.com/Lukesgoldies