BENETEAU ANTARES 36, Owner'S Manual

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12.6 BLACK WATER SYSTEM (WC)
General points
- Black water is human waste including the flushing water from the toilets.
- Close the valves after each use and above all when the boat is unattended.
- Regularly check the valves and thru-hull seacocks for proper operation and watertightness.
- Regularly check the tightness of the flexible pipe clamps and connections.
YOUR BOAT IS FITTED WITH A BLACK WATER TANK
To minimise the smells coming from this tank, we advise the following use and maintenance:
1) Holding tank
- A black water tank is used solely for the temporary collection of water coming from the toilets.
- The tank can be emptied in 2 ways:
- By connection to a pumping system that empties the tank by suction. This system uses the "WASTE" deck connection.
- Via the thru-hull fitting emptying directly into the sea (under the conditions permitted by the laws of the country in which the vessel sails, if they permit dumping
into the sea).
- Only use water soluble toilet paper to avoid any blockage.
Note: Sanitary towels and other items (paper handkerchiefs, dressings etc) in the toilets and black water tank will inevitably lead to blockages.
- Faecal matter causes formation of unpleasant odours in the black water tanks, to which the use of salt water for flushing the toilets also contributes. Algae present in salt water
also give off unpleasant odours.
- Completely empty the black water system before leaving the vessel unattended in temperatures below freezing.
- Ask for information about the laws in force in your country or your marina about discharging your waste waters into the sea.
2) Use of toilets
- Every time the toilets are used, flush afterwards with copious amounts of water in the bowl using the toilet pump (manual or electric).
- When you are leaving the boat for several days, flush with fresh water, using for example the head's shower. Sea water that stagnates in the bowl gives off bad smells.
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