John and Bob's Soil Optimizer is a natural blend of concentrated, fully decomposed humus and other essential soil additives. It rejuvenates the soil to facilitate healthy plant growth. It is easy to use, simply cast or spread over existing lawns/gardens/container plants and water in. No more heavy digging or cumbersome bags of humus! Soil Optimizer is completely harmless to children and animals. There is no risk of burning plants or of over-applying. Apply twice per year to recondition your soil at the molecular level, then watch your plants thrive! OMRI Listed.

Active ingredients: 14% humic acid from leonardite and 0.78% iron

3 lbs treats 1,000 square feet