Why can't the filter of the fish tank filter the water quality effectively? The filter of the fish tank cannot effectively filter the water quality,1. the pump power is too small,The flow does not match the filter cylinder.2. there are too few filter materials,The water quality cannot be treated with enough chemical bacteria.3. improper matching of filter materials,Lack of physical or biological filtration.4. sterilized drugs,Affect the function of the allergy system.Without the cultivation of nitrate bacteria, the filter can only help you filter. the large debris nitrate bacteria is to help decompose the substance nitrate bacteria in the water. the cultivation of ceramic ring or glass ring (placed in the filter, under the filter cotton) is 7-21 days, after you feed, after a period of time, the water is clear, it means that the shorter the time for successful cultivation, the more bacteria, the less water, in the case of hypoxia, the filter cotton will be replaced or the biochemical cotton will be replace

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Why should the air compressor add oil to the oil filter or oil-water separator before it is installed? [1] The oil filter is refueled for the oil to enter the lubrication system faster before loading. if the oil is external, it is only good to touch the sealed rubber ring with some oil, so that the rubber ring will be easier to press when installing, can't refuel inside.[2] filter: the filter is a small equipment to remove a small amount of solid particles in the liquid, which can protect the normal operation of the equipment and is also an indispensable device on the conveying media pipeline, it can effectively filter out the particle pollutants whose size is close to the dynamic oil film thickness of the key motor pairs of pollution sensitive components. The removal rate of suspended matter in water can reach more than 95%, which has a certain removal effect on large molecular organic matter, bacteria, viruses, gels, iron and other sundries. It is usually installed at the inlet end of the pressure reducing