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烧开的水放凉能否养金鱼

更新时间: 2020-10-12 00:00:00     

温度越高,氧气在水中的溶解度越小。开水在沸腾时,氧气已经消耗殆尽,所以凉开水中的氧气含量不够,不利于鱼的生存。有可能开水在降温过程会溶入氧气,但空气和水只在表面接触,这样氧气溶入水的速度非常慢,溶于水中的量达不到养鱼的标准的。鱼在水中消耗水的速度,远高于空气中的氧气溶于水的速度,所以在养鱼的水中,必须用气泵鼓入空气。

关键词: 能否 金鱼

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