1, quiet zone:
Healthy fish is powdery, and its specific gravity is greater than water. It is powdery and will slowly sink in calm water. Will float when disturbed by current and fish.
By introducing circulating water into the filter bin and setting an air throat in the middle line of the pond, a quiet area can be formed at the lower part and bottom of the pond, which is beneficial to the precipitation of fish manure.
Only a small amount of fine particles enter the filter bin, which is more conducive to the "film hanging" on the brush and the biochemical reaction effect is better.
2. Large area:
In order to keep the high-density culture in koi fish in good condition, both the circulating filter pump and the explosion pump are relatively large. Strong water disturbance is formed in the fish pond. It is the most scientific and reasonable to use the bottom of a large pond as a sedimentation tank to collect fish because the sedimentation area is the largest.
The traditional sedimentation bin does not have enough area and residence time, so the fish can't settle down, and the fish brought into the filtration bin also increases the burden of filtration.
3. For a long time:
It takes some time for the fish to settle down from discharge to sinking, so it is necessary to set up a quiet "stagnant water" area. Ensure that the depth of the fish pond is above 1.5 meters, and the depth of the sedimentation tank at the bottom of the pond is half a meter.
Let the fish have enough time to sink slowly and have a place to hide so as not to be rolled up repeatedly. The horizontal sweep pump at the bottom of the pool can pump fish manure into the sedimentation tank at the bottom of the pool, which is convenient for collecting fish manure, leaves and other impurities and discharging them directly.
Extended data
In order to reduce the flow rate of water, the settling tank must have a large volume. In the sedimentation bin, baffles with large holes are often used to help slow down the flow rate, so that solid impurities with larger particles can be easily precipitated.
For a koi fish fish pond with a depth of more than two meters, the water entering the sedimentation chamber is generally the reclaimed water and part of the surface water in the fish pond, and the bottom of the pond is actually a large sedimentation bin, so the water at the bottom of the fish pond is generally directly discharged.
For a fish pond about one meter deep, it doesn't matter, because the fish swim enough to disturb the bottom water. Therefore, for shallow fish ponds, the bottom water is generally filtered.
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