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2. The body of water must be used after it has been sterilized for 3 days. After the disinfection of the pond, the ammonia nitrogen will increase significantly, and the heterotrophic bacteria such as Aeromonas bacteria will also multiply first. Therefore, it is necessary to use the EM original powder 100g/mu for two days after disinfection. Add photosynthetic bacteria raw powder 100g/mu. To reduce the ammonia nitrogen in the water while maintaining the population advantage of beneficial microbes in the pond.
3. The use of photosynthetic bacteria should be used when using bio-fertilizers, and the effect is more obvious, and it can prevent algae aging from causing deterioration of water quality.
4. The main bacteria contained in the high-efficiency composite Bacillus powder are aerobic bacteria. The use of an aerator at the same time is beneficial to the efficacy of probiotics and enzyme probiotics.
5. The application of high-efficiency compound nitrifying bacteria should be put in advance. The use of this microbial preparation requires a sodium percarbonate sheet oxygenation agent on the first day of the night to ensure that there is sufficient dissolved oxygen in the pond, which is more conducive to the rapid activation of nitrifying bacteria and improves the efficacy of the degradation of nitrite.
6. EM bacteria is a complex microbial community with dozens of beneficial bacteria such as aerobic bacteria, facultative anaerobic bacteria, and anaerobic bacteria. Splashing EM bacteria in the pond is best used in combination with any of the following: (Efficient composite bacillus powder, photosynthetic bacteria powder), etc. The improvement of water quality can play a multiplier role, and the effect is more ideal.
7. The first time in the aquaculture process, the amount can be properly increased by 30-50% according to the instructions, and then it can be used once every 10 days (as long as the dosage can be used according to the instructions, even a certain amount can be used), and the water quality can be maintained at all times. stable.
8. If the pond has only high ammonia nitrogen and low nitrite content, 100 g of EM bacteria powder plus 100 g of photosynthetic bacteria powder per mu or 50 g of high-efficiency composite Bacillus original powder can reduce ammonia nitrogen on the day. .
9. If the content of ammonia nitrogen and nitrite in the pond is high, 100 g of high-efficiency compound nitrifying bacteria powder and 100 g of EM bacteria powder are spilled in the pond water per mus, and the nitrite will begin to decrease after 2 days. After 5 days, The degradation effect is very obvious.
10. If the nitrite content in the pond is high and the ammonia nitrogen content is low, as long as 100 grams of high-efficiency compound nitrifying bacteria powder is mixed with pond water, only 2 days later, the nitrite will begin to decrease, and after 5 days, it will degrade. The effect is obvious.
Freshwater fish cultivation using microbial agents
1. All microbial preparations should be avoided mixed with disinfectant.
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