Why would a outdoor flexiable plastic pond liner turn brittle, it is 2 yrs outmoded & have be beneath dampen? ...
Answers: If it is exposed to sunlight, it will get sturdy and brittle. You should have adjectives of it covered, with rocks around the brim to hold it down and shade the edges, and it should be totally under river. If you redo your pond,use a butyl rubber liner specifically pond grade, it is more expensive but you will never enjoy to replace it again. Some poly-vinyl pond liners, similar to Tetra Pond, have a 20 year expected enthusiasm.
wrong type of plastic log onto ponds.com for the proper type of liner you should use