A compost tea isn't a feed and should be given on its own. It's essentially an inoculation with microbes. Some guys add a bit of fish hydrolosate and things like kelp meal and alfalfa, that's up to you, but yes you should alternate.

What do you mean by that??? The process could not be simpler.
1 x bucket
1 x airpump
10L water
5 Tbs molasses
50ml Seagro
5 cups ewc
That's been my recipe on a weekly basis and the lady is loving it. I add "stuff" now and then but not that necessary
Stuff = Volcanic rock dust / Lacto /rock phosphate