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I am talking about pond aeration. I am doing underwater filming in winter. I am talking about how it is undesirable to install a bottom aerator. That in winter the aerator should be in the shallow area of the pond or at the middle depth of the pond, so as not to create cold convection currents of water in the pond, this can reduce the immunity of the fish. I am talking about how to make pond aeration inexpensively. In addition, I recorded a short lecture with the theory of pond aeration. I show how to install an aerator inexpensively or according to a temporary scheme. If you have any questions, ask them in the comments. Subscribe to the channel to receive notifications about new videos. ------ About me: I have been building ponds for over 20 years Candidate of Biological Sciences Built over 600 ponds I teach in landscape design schools and on my YouTube channel ------ View my work: Website: https://lp.vodoemov.ru/?utm_source=yo... Instagram: / sergey_vodoemov ------ Get advice: Phone: 8-968-769-11-16 WhatsApp: https://wa.me/79031922299