[Objective] The purpose was to supply theoretical basis for the spreading use of photosynthetic bacteria in aquiculture.[Method] With pH value,content of dissolved oxygen and transparency as indices of water quality for experimental determination,the pH value of water body in aquiculture pool was determined by water quality analysis and measuring device,its content of dissolved oxygen was determined by iodimetry and its transparency was determined by black and white plate method.[Result]The results of compa...