Solid Block – Slow-Release Bacterial Treatment (5kg)
Brand Chemical Supplies is a leader in advanced biological solutions for industrial and commercial water systems. We offer the Solid Block 5kg, a high-density, slow-release bacterial treatment designed to provide continuous biological maintenance in high-flow environments. This block is the professional standard for reducing organic loading, fats, oils, and greases (FOGs) in South African wastewater systems.
Technical Specifications
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Product Type: High-concentration bacterial spore block.
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Formulation: A specialized blend of Bacillus strains and nutrient stimulants.
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Unit Size: 5kg Solid Block (with integrated hanging mesh).
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Solubility: Slow-release, designed to dissolve over 30 to 90 days depending on flow rate.
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Properties: pH neutral, non-toxic, and non-corrosive.
Why Professionals Choose Solid Block
In environments with constant water flow, liquid treatments are often washed away before they can take effect. The Solid Block 5kg provides a “constant feed” of beneficial bacteria:
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Automated Biological Dosing: Eliminates the need for expensive dosing pumps or daily manual additions. The block gradually releases billions of bacteria directly into the water stream.
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FOG & Sludge Reduction: Specifically engineered to digest complex organic matter, including animal fats, vegetable oils, and proteins, preventing the buildup of “fatbergs” in pipes.
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Odor Control at the Source: By biologically breaking down organic waste, it prevents the anaerobic conditions that lead to hydrogen sulfide (H_2S) and other foul odors.
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Downstream Efficiency: Improves the overall efficiency of wastewater treatment plants by reducing the incoming organic load (BOD/COD).
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Low Maintenance: A simple “drop-and-forget” solution that only requires replacement once the block has fully dissolved.
Primary Applications
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Grease Traps & Interceptors: Ideal for large commercial kitchens, shopping malls, and food processing plants to prevent blockages and reduce pump-out frequency.
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Pump Stations & Wet Wells: Maintains clean walls and floats in municipal or industrial lift stations.
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Oxidation Ponds & Clarifiers: Provides a consistent bacterial baseline to enhance nutrient removal and sludge digestion.
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Industrial Effluent Systems: Manages high organic discharge in textile, paper, and beverage manufacturing.
Usage & Installation Guidelines
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Placement: Suspend the block using the provided mesh bag in an area of constant flow, but away from high-turbulence areas to ensure optimal longevity.
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Submergence: The block should be fully submerged at all times for consistent bacterial release.
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Replacement: Monitor the block size periodically. In typical municipal lift stations, one 5kg block will last approximately 1–2 months.
Safety & Storage
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Storage: Store in a cool, dry place in the original packaging. Protect from extreme heat and moisture until ready for use.
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Handling: Safe for general handling; however, it is recommended to wear gloves when installing the block into waste systems. Wash hands with soap and water after contact.
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Environmental Safety: 100% biodegradable and safe for all municipal sewage treatment systems.
Ordering & Logistics
Brand Chemical Supplies ensures that your facility maintains peak biological efficiency with reliable distribution throughout Southern Africa.
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Bulk Availability: 5kg blocks are available individually or in cases for multi-site facility management.
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Regional Reach: Fast delivery to industrial hubs in Gauteng, KwaZulu-Natal, and the Western Cape.
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Technical Consulting: Our specialists can help calculate the number of blocks required based on your system’s flow rate and organic loading.
Contact our technical team today to implement a low-maintenance biological solution with the 5kg Solid Block.








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