How to put the fish tank filter material? Comprehensive analysis of filter material selection and placement techniques
In the process of fish farming, the filtration system is the core of maintaining healthy water quality, and the reasonable placement of filter materials directly affects the filtration effect. This article will start fromFilter material types, placement order, precautionsFrom three aspects, combined with the popular fish farming topics on the Internet in the past 10 days, we will give you detailed answers on how to place fish tank filter media.
1. Common filter material types and functions
| Filter media type | Main functions | Applicable scenarios |
|---|---|---|
| Physical filter media (such as filter cotton, magic carpet) | Intercept large particles of impurities (fish feces, residual bait) | The first layer of the filtration system |
| Biochemical filter materials (such as ceramic rings, bacterial houses) | Cultivate nitrifying bacteria to decompose ammonia nitrogen and nitrite | Middle and rear layers of filtration system |
| Functional filter materials (such as activated carbon, coral bone) | Adjust water quality (adsorb pigment/stabilize pH value) | Temporary use on demand |
2. The order and steps of placing filter materials
1.physical filter layer：Place it on the top layerCoarse hole filter cotton, used to initially intercept large particles; fine-pore cotton or magic carpet can be added to the lower layer to improve filtration accuracy.
2.Biochemical filter layer: middle layer placementCeramic ring, bacteria houseetc., it is necessary to ensure that the water flow passes evenly and avoid dead water areas.
3.Functional filter layer: The bottom layer can be placed with activated carbon (needs to be replaced regularly) or coral bones (suitable for alkaline water fish species).
| Filter bin type | Recommended filter material combination |
|---|---|
| Upper filter/wall filter | Filter cotton → biochemical cotton → small particle ceramic ring |
| Bottom filter cylinder | Wet and dry separation cotton → bacteria house/nano ball → water pump chamber (optional coral bone) |
| Filter bucket | Front physical cotton → middle biochemical filter material → rear activated carbon (temporary) |
3. Popular issues and precautions
1.Does the filter material need to be cleaned?The physical filter material can be flushed regularly (using the original tank water), and the biochemical filter material should be cleaned frequently to avoid damaging the nitrification system.
2.How much filter material is appropriate?It is recommended to occupy 70%-80% of the volume of the filter chamber, leaving space for water flow. For example, the bottom filter chamber of a 60cm fish tank requires at least 5L of biochemical filter material.
3.Recent hot debate: Should filter media be placed with “water flow priority”?According to actual measurements by aquarists,Arrange filter media staggered(Such as placing the bacteria house at an angle) can reduce short circuits of water flow and improve filtration efficiency.
4. Summary
Reasonable placement of filter materials should follow the "First physical, then biochemical, the water flow is even and there are no dead ends.” principle, while adjusting according to the type of fish tank. Regularly checking the status of the filter material (such as whether it is powdered or clogged) can keep the water quality clear and stable for a long time.
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