SOS for your Soil Compost Tea Compost Tea is a good overall plant health booster, healthy plants are better able to resist pests. The ingredients are 100% untreated and unrefined from production to packaging. Farmers claim success using Compost Tea to bring life back to soils that have suffered under years of chemical treatments. Compost Tea can be used to increase plant growth and strength, provide nutrients to plants and soils, provide beneficial microorganisms and make plants better able to resist pests and diseases