1) prepared plastic bucket size 4 liters of 6 leaves and prepare a system one air tank to one point.
2) experiment was 2 experiment it 3 times by T1 instead of natural water C instead set on algae (ชุด control) E instead of wearing the algae a bunch of grapes. A series of experiments and repeated use numbers 1-3 instead, variable, as follows: T1C1 T1C2 T1C3 T1E1,,,,, T1E2 T1E3
3) measure the sea water quality, before the start of the experiment.