The brownies bought in their toothbrushes and we took turns to brush teeth for 2 minutes while keeping the tap running- this too was measured and 7 litres of water was used!! 7 litres!
The next team did it using the tap only to rinse the brush during and at the end. Only 1 litre was used between them, which is quite a difference, we thought.
It was good to see the Owls running around too...
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