PetraTools Soil Bacteria Booster uses an advanced formula that promotes better soil conditioning and healthy plant growth. With our advanced soil booster, plants will grow to their maximum potential. It renews the soil and promotes healthy plant growth - naturally. It uses a proprietary blend of beneficial microorganisms that break down the material and convert it to essential nutrients. Soil Booster is great for soil conditioning as it increases nitrogen uptake of plants, reduces plant stress, and renews bacteria in the soil - all of which are beneficial for promoting healthy plants.