QuestionMy garden pond is 15' x 30' and has three levels in depth. It starts at about 1', second section within the pond is about 1.5' and the main section is almost 2'. I am able to add more water if necessary. I need to know if there is an air temperature ratio to ice thickness. I am a first year pond owner and want to give the fish enough room under the ice to survive the winter. I live in Northeastern PA and winters can get as cold as zero to 10 below.
AnswerHi Jean: Colder water holds more oxygen then warmer water and in winter... the fish slow down so much that they do not use much oxygen. A de-icer will keep the surface of the pond from freezing over as will a rapid current that breaks the waters surface. I am a bit concerned that the pond may freeze entirely... You may want to consider a small shelter for the pond that would keep add some warmth but can be taken down in the spring... dave