sera guide - My pond

26 In case the visible depth is reduced by cloudiness, the annoying floating particles can be bound with sera pond crystal so the filter can collect them more eas- ily. The oxygen level of the wa- ter can go down quickly at high temperatures. A brook or a water dis- play can counteract this. sera O2 plus pro- vides quick help in case of acute oxygen deficiencies, which can be recognized by fish breathing quickly just underneath the water surface. Despite careful maintenance, spontaneous algae blooms may occur especially in early summer. You will read in the section “What to do against algae?” how to combat them. Summer is the time when fish grow most strongly and are most active. During this time, they therefore need food particularly rich in nutrients, such as sera KOI Profes- sional Summer Food, sera KOI Profes- sional Spirulina Color Food, sera KOI ROYAL, sera goldy, sera goldy gran and sera goldy color spirulina. Autumn You should prepare your pond for the win- ter in autumn. Cut back withered plants and remove leaves that were blown into the pond to do so. The filter should be switched off and cleaned as well when temperatures perma- nently drop below 12°C (54°F). The fish are being prepared for the winter by so-called “food conditioning” in late summer and autumn. As winter is the most difficult time for the fish, they must be pre- pared for the hibernation time at cold water temperatures with good food rich in nu trients, such as sera KOI Professional Spring/Autumn Food or sera KOI Professional Spi rulina Color Food. The pond year

sera guide - My pond

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