I’m thinking about you today
@bbones. I have done the exact same thing as you. When all is said and done, you’ll have a tank to be proud of. Then one day you’ll find yourself giving advice to another newbie that needs help. My suggestion.... read, read, read, research, ask questions, and chart the best course that fits your tank, your situation, and your water pets. There are many REALLY experienced people here and they are always willing to help. You’ll find this to be the kindest group of folks too. There are many ways to do this. Personally, at your stage of learning, I would try to return the clowns and anemone, by bacteria in a bottle, order Red Sea or Salifert test kits for ammonia, ph, nitrate and nitrate (if you can’t get them locally.. try to stay away from API kits), and let your tank sit for a few weeks.
Going forward, tell us what you have.... what size tank? The clowns you got are maroon clowns. They’re beautiful but pretty aggressive. They’ll get about 6” long and will bully other fish. You’ll also need a little bit bigger tank if you want other fish... it’s all about territory for clowns.
What lights do you have...anemones typically need advanced lighting. There are lots of great lights out there in all price ranges.
What filtration are you using? You will be more successful if you use something other than a canister or hang-on-the-back type filter. Here again, there are many ways to do this.
What are you using to move water around? Water movement is probably one of the most crucial things in saltwater aquariums.... think ocean currents and waves.
Consider what you want to keep and build your tank around that. I would recommend saving your money if need be, and buy what you need to make your future tank work. I have a huge collection of stuff that I bought in a rush or because it was a good deal or because I thought it “would do for now.” I’ve wasted gobs of money through the years.
The only way to figure all this out is to research.... look at pictures of tanks and find what you like, then work towards it. There are as many absolutely beautiful four gallon reefs out there as there are 400 gallon systems. You’ll find something that fits your lifestyle and budget.
We’re all here to lend advice. Some here are lighting experts, some specialize in chemistry, some fish diseases and others things like anemones, wrasses or predator tanks. Ask away and best of luck!