In addition, because is easy for nuka-koko to break down like water with pickled vegetables, absorb the water with a dish towel or newly add rice bran and salt once a week to bring back the hardness.
また、野菜を漬けていると糠床が水っぽくなり腐敗しやすくなるので1週間に1度は窪みを作って布巾で吸い取るか、新たに糠と塩を加えて硬さを元に戻しておく。