You will need calcium.
That tubing will work, then you need some hard airline from lfs.
Bottles the 2 part comes in works great, if you do not care about it being pretty.
Empty water jugs works great for no3 and po4.
I like brightwell reef code A and B for simplicity. You dose the same amount for both and it actually works out. For my smaller tanks, that’s what I use. Basically anything less than a 2 dkh drop a day lol. It is not as concentrated as others, but is a lot easier for smaller tanks.
Another thought. For space saving and decent looks, 4x cereal storage containers works great for dosing containers. Food safe as well.
Look closely at the right side frag tank about middle ways of the stand. Those white things are just the seachem jugs with holes poked in the top, so the hard airline can go in it. Cut an angle at the end, so it doesn’t sit flat on bottom of jug.
my no3, ammonia, cheato grow and po4 is in daisy sour cream containers under the macro tank. If you zoom in, you can see one of them lol.