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Aquarium gravel not coarser than ø 2 mm. Not suitable for cleaning sandy bottoms. If the batteries are not being used for a long time remove them! EHEIM does not provide any warranty for damages which are caused by leaky bat- teries or storage batteries! Do not throw exhausted batteries in the household refuse.
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last for an operating life of approx. 4 hours and if nickel-cadmium storage batteries are used these last for approx. 2 hours. Cleaning the bottom After the suction jet – and, if required, also the extension jet – have been con- nected to the pump chamber the cleaner is ready for use.