No measuring or mixing required. Easy to use, concentrated, water soluble packets begin to dissolve in seconds. Simply toss the required number of powerpaks into the pond. Powerpaks helps bring your pond to a natural balance. The water will dissolve the Powerpaks in seconds, releasing the natural cleaners into the pond to do their job. The activation bubbles rapidly disperse the beneficial bacteria and barley throughout the pond. Powerpaks create cleaner and clearer pond water through a natural biological process.