I think people should know that until concrete has cured with water in it for about a month, it’s not safe for fish or for animals to drink from. From “Chewy” Concrete ponds can be “cured” and made safe for fish without any special coatings. Keep the newly constructed pond filled for a week, then drain and refill. After two weeks, drain and refill again. After three weeks, drain and refill again.
Is that motor oil you put on the bricks, and the bottom of the pans?
I think people should know that until concrete has cured with water in it for about a month, it’s not safe for fish or for animals to drink from.
From “Chewy”
Concrete ponds can be “cured” and made safe for fish without any special coatings. Keep the newly constructed pond filled for a week, then drain and refill. After two weeks, drain and refill again. After three weeks, drain and refill again.