1. Nitrifying bacteria should not be used together with chemical oxygenating agents such as sodium percarbonate or calcium peroxide. Since these substances decompose in the water and have strong oxidizing oxygen atoms, they will kill nitrifying bacteria. Therefore, chemical oxygenation is used first. One hour later, the nitrifying bacteria were used again.
2. The pH and the dissolved oxygen of aquaculture ponds have a greater relationship with the use of nitrifying bacteria. The optimum range of nitrifying bacteria for PH is 7.8-8.2, dissolved oxygen as long as not less than 2 mg / can be.
3. When water is thin, fertilize and use photosynthetic bacteria first. Acidic water is not conducive to the growth of photosynthetic bacteria. The first amount of quicklime milk should be poured, and the PH of the water body should be adjusted to about 7 before using photosynthetic bacteria.
4. Drugs have a killing effect on photosynthetic bacteria and living bacteria of complex bacteria, so they cannot be used together with disinfectants. Disinfection of the water must be done after a week. Do not use antibiotics, bactericidal drugs or Chinese herbal medicines with antibacterial effects.
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