How long is the best time to simmer herbs in a purple casserole dish? How much water to use?

Water for decoction: clean cold water, do not use boiling water; drugs generally do not wash.

Pre-decoction soaking: the first decoction (a decoction) of the general drug soaking 30 minutes, seeds, fruits as the main drug can be soaked for an hour; the second decoction (two decoctions), do not need to be soaked. A decoction of water over the drug 2 - 5 centimeters, the second decoction of water to submerge the liquid surface of the drug can be.

The number of times of decoction: generally decoction twice. A long decoction can not replace two separate decoctions. You can mix the two decoctions together and serve them in two parts.

Decoction fire: generally before boiling with a large fire (fire), after boiling with a small fire (fire) to maintain the state of micro-boiling.

Decoction time: for general medicines, the first decoction should be boiled for 20--25 minutes, and the second decoction should be boiled for 15--20 minutes;

The decocted medicines should be taken twice in the morning and in the evening, and each time should be taken 150--200 milliliters