foam padding with piece of liner over the top.
netting keeps herons and other birds OUT.
Ingrid

"A.N.Other" wrote:

I am thinking of adding some fairly large rocks in a "pile" to provide my
fish with some hide outs.
I have had problems with Great Blue herons and nothing I have done to date
seems to work.
I am reluctant to put the rocks in direct contact with the liner, would it
be Ok to put a layer of padding (probably old carpet) on top of the liner,
under the rocks.

other ideas would be welcome.
ANO




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