Microbe-Lift Aquatic Planting Media is made of 100% natural montmorillonite with an added beneficial bacteria to help with pond clarity. The neutral pH pebbles in Microbe-Lift Aquatic Planting Media contain beneficial bacteria, retain oxygen, and help absorb excess alkalinity for improved pond water quality. When used in a bog area, Microbe-Lift Aquatic Pond Plant Media helps reduce transplant shock, allow for more efficient utilization of light, water and nutrients and retain water keeping the bog moist but not waterlogged. Microbe-Lift Aquatic Planting Media will not break down, float, or cloud pond water. Microbe-Lift Aquatic Planting Media contains no algae-promoting nutrients, fertilizers, compost, peat, or harmful pesticides and is safe for use in ponds with fish.