If you had this build up as you say then your mantenance of the pond and filters comes into question , you simply must every Autumn make sure the bottom of the pond is clearedof any dead and rotting leaves , your filter must alo be cleane prior to this as well .
I cannot empathize the importance of this to the well being of your fish its a costly mistake as your finding out first hand .
Put together a pond and filter mantenance routine that ensures the bottom of your pond is all but spotless when coming into winter , this will ensure the survival of any other fish you buy to replace the ones you lost this winter sad as it is
Dave
I cannot empathize the importance of this to the well being of your fish its a costly mistake as your finding out first hand .
Put together a pond and filter mantenance routine that ensures the bottom of your pond is all but spotless when coming into winter , this will ensure the survival of any other fish you buy to replace the ones you lost this winter sad as it is
Dave