Greywater Treatment

GNC Marine Grey Water Treatment

GNC Marine aims and are commitment to providing the marine and offshore industries with high-performance, sustainable cleaning and maintenance solutions.
Established in 2016 in Derby, UK, we’ve built a reputation for excellence based on innovative product formulation and a deep understanding of industry challenges.

As of 2024, GNC Marine has adopted a global operational structure. GNC Marine Global, based in Denmark, handles all client support, ensuring a seamless experience for our customers worldwide. Production and REACH compliance remain in the UK, alongside company ownership, guaranteeing the quality and expertise you’ve come to expect from GNC Marine. 

GT Bioblock

GT BioBlock is an innovative solid product designed for the slow release of emulsifiers, specialized bacteria, and odor counteractants. This formulation ensures a continuous, low-maintenance treatment for managing fats, oils, and grease (FOG) in various applications. One of its standout features is its ability to dissolve completely within 4-6 weeks, aligning perfectly with typical service and inspection cycles, thereby minimizing the need for frequent interventions…

GW 20

GW20 is a cutting-edge liquid treatment designed specifically to manage the accumulation of floating and settled solids in grey water storage tanks and associated pipework. By effectively controlling these build-ups, GW20 plays a crucial role in mitigating unpleasant odors and preventing septic conditions, all while reducing the frequency of pump-outs required for maintenance…

GT 20

GT20 is a cutting-edge grey water treatment solution designed for superior effectiveness. This liquid multi-strain bacterial formulation is specifically engineered to break down fats, oils, and greases (FOGs), as well as other food waste commonly found in the demanding environments of galley scuppers, drain lines, grease traps, grey water tanks, and grease interceptors. By significantly reducing buildup and preventing unpleasant odors, GT20 helps maintain a cleaner and more efficient waste management system…

GT Super

GT Super is a highly effective and super-concentrated solution designed to keep your grey water system fresh and odor-free. GT Super ensures that your grey water system remains clean and pleasant. It is a concentrated liquid multi-strain bacterial solution specifically formulated to degrade fats, oils and greases (FOG’s) and other types of food waste in the demanding environments of galley scuppers, drain lines, grease traps, grey water tanks and grease interceptors, reducing build-up and preventing odours …

GWP Super

GWP Super is a fully water-soluble biological powder, expertly designed for the efficient degradation of fats, oils, greases (FOG), body fats, and other grey water waste. Ideal for marine environments, this powerful solution keeps your ship’s drain lines and grey water collection tanks free from blockages, floods, and malodors, while reducing corrosion and pest issues…