Kulawar lokacin sanyi ya fi mayar da hankali kan ruwan tafkin saboda raguwar zafin jiki.Babu kankara da dusar ƙanƙara a wasu wuraren, amma kuma ya kamata a mai da hankali kan hana sauro da kwari a cikin ruwan tafkin.

Idan tafkin yana cikin wuri mai sanyi, kula da tafkin don lokacin sanyi kafin zafin jiki ya ragu zuwa digiri 0 Celsius, kuma kuyi kokarin rufe tafkin kafin Disamba don hana daskarewa.Saboda karuwar girma na ruwa a cikin kayan aikin tafkin a lokacin aikin icing, zai haifar da asarar asarar tattalin arziki mai yawa lokacin da bututu da kayan aiki suka fashe.

     1.Tsaftace tafkin
Ba za a tace ruwa ko sinadarai a cikin hunturu ba, don haka yana da matukar muhimmanci a tabbatar da cewa ruwan bai datti ba lokacin da aka bude tafkin a cikin bazara.
     2.Tsaftace tsarin tacewa
Saita tacewa zuwa yanayin "Backwash" har sai ruwan ya sake fitowa fili.Sa'an nan kuma canza tace zuwa "Kurkura" kamar minti hudu.
3.Ƙara maganin daskarewa
4.Yin amfani da murfin tafkin
Don hana ruwan sama na hunturu da dusar ƙanƙara, a lokaci guda don guje wa skimmer ko lalata bututu daga daskarewa.
     5.Yanke tsarin samar da wutar lantarki
Saka famfo da wasu ƙananan na'urorin haɗi (cire ma'aunin matsa lamba, ƙaramin kwalban kallon gilashi) a cikin ɗakin ajiya don hana daskarewa a cikin hunturu.

Kada a sake buɗewa har sai lokacin zafi mai zafi.Zai fi kyau a buɗe murfin kafin digiri 21 don sauƙaƙe tsaftace tafkin tun lokacin da algae ke son girma a kusa da digiri 21 a ma'aunin Celsius.