At this time, the sunshine intensity is weaker than that of cloudy days, and the photosynthesis of phytoplankton produces very little oxygen, so it must be turned on in the middle of the night to prevent pond fish from flooding. […]
Entradas etiquetadas como ‘jet aerator’
The dissolved oxygen in the upper layer will be reduced
Lunes, octubre 12, 2020Tags: jet aerator
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