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The need of seawater must be announced before the cruise in formula "Einsatzplanung". As several scientific groups on board are typically requesting seawater a plan must be established, which group takes water from which network to avaid any conflict/overlap. The operation on board by means of switch on and off the pumps is executed by the ships crew and must be requested by chief scientist the day before.
In dirty by means of not clear waters like in harbours or the Wadden Sea the seawater pumps despite of "Klauspumpe" are switched off to availd soiling of pipes and analyzers.
A full cleaning procedure of pipes can be performed in shipyard only. It must be requested at schiffskoord@awi.de several weeks before shipyard. The rate/quality of cleanness must be outlined at request.
A post cleaning procedure of pipes can be performed during cruise. The time schedule of this cleaning procedure must be planned before the cruise and outlined in formula "Einsatzplanung". The cleaning procedure must be executed in compliance with the ships command and chief scientist.
2. Pure water
In chemistry laboratory a MilliPore Elix Essential 5 system is installed to provide type 2 water. For storage a 30 liter tank is installed.
The type 2 water is also used as input for MilliPore Milli-Q IQ7000 purification system to provide type1 pure water.
3. Fresh water
Fresh water is generated on board by reverse osmosis system. It is available in all laboratories and work spaces. In most laboratories and spaces heated fresh water is also available.