Our Sink Blaster clears clogged drains without using any harsh chemicals. The pressure tool pushes water through the drain to unclog. It's easy to use and highly effective. No need to buy expensive chemicals anymore! FEATURES: Unclogs drains Uses no harsh chemicals Easy to use Ideal for sinks, showers, or bathtubs Highly effective design HOW TO USE: Flip Sink Blaster upside down (so that wider surface is facing upwards) Fill Sink Blaster with water Quickly turn right-side-up and place over clogged drain (make sure drain is completely covered) Press down on Sink Blaster fast and hard to quickly push water into drain Remove Sink Blaster and test drain Repeat steps 1-5 until draining smoothing