For example, 10 water litrokrong through mesh plankton samples from water filter placed in a bottle of tea color and then keep. Lugol solution by filling to 2% of the sample water.
10-liter water samples were filtered through plankton net, water samples from the remaining filter over a brown bottle were flushed with lugol's solution by adding to 2% of water samples.
Water sample 10 L pass filter mesh plankton brought water sample left from the filtration, put into a bottle สีชาแล้ว was preserved with Lugol s solution. ' The added 2% of water samples