Lantelme Tea Thermometer Glass 24 cm up to Temperature Range up to 110 °C Degrees Analogue for Tea Water Tea Thermometer Also for Green Tea Fruit Tea Herbal Tea and Black Tea Food Tea PreparationLantelme tea thermometer glass analogue thermometer with cord for hanging. The handy tea glass thermometer with temperature display from 10 C to +110 C A tea thermometer to control the tea water in the pot, in the tea maker or even in the tea cup. Length: 24 cm Good tea is always successful if the water temperature is right. The ideal water temperatures for black, fruits and herbal teas are approx. 100C. For green tea as it is very sensitive at 80C.