I’ve used nothing but compost/worm castings tea in my garden for almost 3 years, and my garden looks better than ever!

A few scoops of compost and/or worm castings in a 5-gallon bucket, fill with water, add sugar, aerate for 24-48 hours. Water into your garden.

You can also use it as a foliar spray.

Optional ingredients: epsom salt, kelp, fish emulsion, among others. Simple preparations of just compost and sugar have worked just great for me!