1, according to the bottom of the pond culture varieties, according to the bottom of the pool, choose different content and formula products. There is a formula for changing the bottom, and there is a product for purifying water.
2, the first use of the amount to be halved, insist on using less many times. In most aquaculture ponds, the bottom of the pond is hardened due to the large use of chlorine preparations and surfactant products in the early stage, and a large amount of toxic and harmful things are accumulated below. At this time, the dosage cannot be large.
3, the first use, pay attention to water dissolved oxygen, it is recommended to increase oxygen. If the dissolved oxygen at the bottom is insufficient after breaking the junction, the accumulated sulfite, hydrogen sulfide and other poisons will be emitted to the water body, causing stress.
4. Adhere to the periodic bottom change. Don't wait until the problem occurs to change the bottom. Bacteria grow and reproduce quickly during high temperature in summer, and the bottom change period is shortened to once every 4-5 days.
5, when using adhere to the "potassium sulfate compound salt beneficial microorganisms" mode, pay attention to the water micro ecological balance. The comprehensive ecological effect of beneficial bacteria and algae is brought into play, so that the water body can achieve micro-ecological balance.
6, avoid and alkaline drugs at the same time or successively used. When using different products in turn to change the bottom, we should pay attention to the taboo of the matching of the products before and after, and do not follow the trend of using the products. Used chlorine preparation, every 2 days again.