Homemade fish tank filter bucket water level imbalance? The water level of the main cylinder above is drained by overflow,So the water level is fixed,The filter bucket below will only be replenished until it does not overflow.There is a good filtration device in the fish tank,Only by keeping good fish and changing less water.First, the filtering methods mainly include physical filtration, biological filtration, chemical filtration, etc.Two, there are many types of filters in the form of filters,For example, air lift biochemical cotton filter, bucket external filter, top filter of aquarium, fish tank filter with shape, etc.1. air lift biochemical cotton filter sucks biochemical cotton into the upper air pump or water pump without bottom connection,The flow of gas in the water drives the flow of water to circulate in biochemical cotton.The residual bait, biological excrement and other organic substances in the water can be absorbed on the surface of the sponge.Advantages of gas lift biochemical c
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The 3 M pre-purification water I bought was clear when the water was washed. did I buy fake products? Hello,You can prove the authenticity of the product in the following two ways,1. whether the fine filter element of the water purifier has anti-counterfeiting code on the bottle body can be verified, it is recommended that you verify the authenticity of the product through the serial number on the anti-counterfeiting code.2. after you have installed it, you need to ask the buyer if it is 60 working days. you can receive the 'warranty card' mailed to you by 3 M (China) Shanghai head office '.The above two points hope to help you, thank you for your support for our products! Like you, I think there is a problem. my water is not only clear, but also the water filter core can't be seen in the blue transparent pipe.