Natural Blast Water Treatment is a beneficial bacteria that, when introduced into your pond, reduces excess nutrients and breaks down organic matter that clouds water. It works across the entire water column to treat common water problems that cause clarity, quality and severe odor issues. This all-natural product advances the decomposition of floating and suspended green organic matter and restores the health of your fountain, aquarium, or pond. Use Natural Blast in your outdoor pond or water feature at the beginning of the season, if you start to see organic floating material, or in consecutive months if you see organic material form during the summer. Natural Blast comes in pre-measured, easy-to-dispense packets and the water-soluble bags will dissolve in as little as 30 seconds .