ORGANIC MICROBES WORK IN 5,000 SQ, FT OF SOIL TO PROMOTE BETTER ROOTS FOR A HEALTHY LAWN | Turf Perk STEP 1 Lawn Repair and Prepare Starter Solution contains millions of organic microbes that, when watered in using the attached hose end lawn sprayer, treat a total area of 5,000 sq.ft! This natural liquid lawn treatment repairs and prepares your lawn by treating lawn soil health imbalance, improving water retention, and fixing your soil's nitrogen content to promote healthy plant growth