This section is from the book "A Manual Of Home-Making", by Martha Van Rensselaer. Also available from Amazon: A Manual of Home-Making.
Some teas, expecially some black kinds, cloud on cooling and standing. Re-heating will clear them temporarily, but these teas are not suited for serving as iced teas or in punches. To test a tea for clouding, it should be brewed and the liquid allowed to stand overnight at room temperature. Clouding is not an indication of inferior quality.
 
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