Here's a link to Dr. Earth fungicide

Ingredients:

ACTIVE INGREDIENTS: A potent and superior blend of Rosemary Oil, Clove Oil, and Peppermint Oil working in synergy with the following:
INERT INGREDIENTS: Carrageenan, Cellulose, Citric Acid, Citrus Pulp, Glycerin, Vitamin C, Yeast and Water.

Thank you. I'm not sure if this is worth it or not. I hesitate using normal fungicide for soil microbes, etc.

What are you treating? If looking for something benign but an effective fungicide on milder disease, Serenade works well. I've even used it on fruut trees.