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Black Water

The Clearvac method of black water pipe descaling involves trained technicians applying a unique product combined with a specific non-intrusive procedure (determined by Clearvac and tailored to vessel size, timescale, and job scope).

Clearvac effectively removes all hard-scale deposits, restoring all plumbing networks to fully functional systems. This service does not impact business operations or sailing schedules; the vacuum system remains fully operational throughout the service period without causing any disruptions to passengers or crew.

Clearvac’s black water service ensures unrestricted flow in all pipework and the elimination of all contaminants.

Black and Grey Water pipe cutaway with accumulated scale.

Grey Water

We also provide grey water drainage system cleaning using our formulated product, Eco Drain-away. This fast-acting, non-corrosive drain cleaner rapidly decomposes any organic waste matter. Eco Drain-away is suitable for use on all grey water gravity systems, including accommodation and galley drainage, preventing potential health and safety issues and downtime.

Our services include the removal of dishwashers and steam ovens to provide access to drains where necessary. Additionally, we offer grease trap cleaning where applicable.

Key Service Features:

  • Rapid decomposition of organic waste matter.
  • Grey water drainage services are provided for accommodation and galley areas.
  • Inspection of various drainage points, including sinks, showers, bidets, baths, Jacuzzis, self-cleaning steam oven drains, floor drains, freezer room drains, and cold room drains
  • Proprietary gravity-based cleaning system for all gravity-based drainage lines, including accommodation, galley, laundry, and Fan-Coil unit drainage lines.
  • Thorough servicing of sinks, showers, floor drains, and scuppers.
  • Minimal disruption during the process, ensuring all systems remain fully functional.
  • A comprehensive service report detailing before and after results is provided upon completion.


Phuket Boat Lagoon

Clearvac Engineering Asia Co., LTD

Phuket Boat Lagoon: Workshop 20/78 Moo 2, Koh Keaw Sub District, Mueang Phuket District, Phuket 83000, Thailand.

Tel_1 (English): +66 98 965 5388

Tel_2 (English): +66 649 325 117

Tel_1 (Thai) : +66 89 926 6388

Tel_2 (Thai) : +66 649 325 117

Tel (Accounts): +66 93 580 2588




Learn more about our Phuket Facilities

Bangkok Refit Facility

Clearvac Engineering Asia Co., LTD

Bangkok Refit Facility: The Bangkok Dock Company Limited, 174/1 Charoenkrung Road, Yannawa, Sathorn, Bangkok 10120, Thailand.


Tel_1 (English): +66 98 965 5388

Tel_2 (English): +66 649 325 117

Tel_1 (Thai) : +66 89 926 6388

Tel_2 (Thai) : +66 925 189 664

Tel (Accounts): +66 93 580 2588




Learn more about our Bangkok Facilities

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