Kasco MZMB5 Macro-Zyme Muck Block – 2.7 kg

The Kasco Macro-Zyme Muck Block offers a long-lasting, slow-release solution for reducing muck and sludge on the bottom of ponds, lakes, and decorative water bodies. Containing a powerful concentration of beneficial bacteria and enzymes, the 2.7 kg block begins working as soon as it contacts water—digesting organic waste, reducing foul odours, and improving water clarity over time.

This block is ideal for ongoing maintenance in areas with limited water movement or where continual muck breakdown is needed.

Key Features:

• Large 2.7 kg slow-dissolving bacterial muck block
• Targets bottom sludge in ponds, lakes, and water features
• Begins releasing beneficial bacteria on contact with water
• Works for several weeks depending on conditions and flow
• Reduces odours, excess nutrients, and organic debris
• Easy to deploy—just drop in targeted area
• Safe for fish, plants, animals, and humans when used as directed

Specifications:

• Product type: Biological pond treatment (solid block form)
• Weight: 2.7 kg
• Coverage: Treats up to 370 m² of pond bottom over time
• Duration: Lasts 30–45 days depending on flow and temperature
• Application: Drop directly into pond or attach via mesh if desired
• Storage: Store dry, cool, and sealed until use