Yeah, I use the cheap ones that are rectangular. 18 x 24, but they come in different sizes. The ones I use have cardboard sides but they make some with aluminum. I agree with Ric on the poly. The cheap ones are fiberglass. They are sold at hardware stores or Home Depot or Lowes. Go wander around and ask questions. They aren't all that efficient at stopping all dust so you might want to look at them and experiment a little.
It's not about the fish. It's about the pond. Take care of the pond and the fish will be fine. PB subscriber since before it was in color.
Without a sense of urgency, Nothing ever gets done.
Boy, if I say "sic em", you'd better look for something to bite. Sam Shelley Rancher and Farmer Muleshoe Texas 1892-1985 RIP
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