We hear from old Master specialist, David Dallas who gives us insight into 'How to care for your paintings':
Pictures, like small children, prefer consistency of treatment. In the case of paintings and watercolours this means no violent fluctuations in temperature or humidity.
If you have a damp room a de-humidifier can bring the relative humidity down to around 40%-60%, above this level and there is a possibility of mould growing on surfaces and this can stain the paper on which watercolours, drawings and prints have been worked, irrevocably. Some moisture . . .
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