Will Bricks affect the water in the fish tank? I would like to use them to keep the driftwood down
nc_nutcase;2244322; said:Old school bricks made by bakingclay are safe, but in the US that process has changed dramatically to include the use of a variety of chemicals. As Dr Joe siad, different manufacturers will use different chemcials, although I doubt any of them are meant to be "for potable use" or to that standard...
I peronsally use "CUT ROCK" as brick. This is natural formed rock that has been extracted from tbhe ground and cut into brick like pieces. I've been using it for quite a few years with absolutely no issues.