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Muck & Sludge Reducer MuckOff by CrystalClear 24 Tabs


CrystalClear® MuckOff™ tablets are designed to sink to the bottom of the pond to quickly reduce muck and sludge caused from dead algae, leaves and fish waste. MuckOff™ easy-to-use tablets are a blend of natural bacteria and enzymes that help clear water by removing excess nutrients and reducing sediment. Use once every four weeks when water temperatures are above 50°F.

Out of stock


BEST SELLER! Remove muck and sludge in your pond with beneficial bacteria!

  • Eliminates muck and sludge in your watergarden
  • Breaks down dead algae, leaves and fish waste
  • Safe for all aquatic life
  • Easy to use tablets
  • 24 Tabs – treats 4,000 gallons or 1,000 gallons for up to 4 months
  • See Product Label and Safety Data Sheet below for usage directions.  Use only as directed.

Routine application rate: Apply MuckOff™ once every 4 weeks. Persistent problem application rate: for ponds with heavy muck buildup, treat at the prescribed rate per gallon every 2 weeks until desired results are achieved.

For best results: disperse MuckOff™ tablets throughout the pond. Optimal water conditions: pH 6.5-8.5, dissolved oxygen 5 ppm, temperature 50 degrees F.

Learn More

MuckOff Instructional Video

Crystal Clear MuckOff 24 tabs Product Label

Crystal Clear MuckOff 24 tabs Safety Data Sheet

Additional information

Weight2 lbs
Dimensions6 × 6 × 6 in


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