It will be slightly colored, but it must be lighter than hot tea washing. If you soak in cold water, the water will be colored, but because of the low water temperature, the leaching speed of tea contents is slow, so it is slower than that of tea soup brewed with hot water at the same time.

In addition, the benefits of drinking herbal tea: (1) retain catechins, tea polyphenols and other substances in tea, effectively promote gastrointestinal peristalsis and defecate, which is very effective for slimming and preventing cancer. (2) Cold soaking tea leaves can reduce the release of tea tannin, reduce the bitterness when drinking and improve the taste of tea. (3) Because the body temperature of cold-soaked tea is higher than that of tea soup, after tea soup reaches the oral cavity, ketones with fragrance molecules will gradually evaporate, and the whole oral cavity will be filled with more fragrance and stronger throat rhyme. Cold soaking can reduce the caffeine content of tea soup and slow down the stimulation to the stomach, which is suitable for people with sensitive constitution or weak stomach.