"Broadback" wrote in message
...
Called into a DIY shop for some lime. They no longer stock it because a
H&S issues, though I think that may be a good cop out. It occurred to me
that builders merchants might be a cheap source. Is their lime ok for
gardens, or does it need more refining?

I think I recently read that you can use hydrated lime (which I think is
what builders use for lime mortar) but that crushed limestone is better.

Where you get crushed limestone, however, it didn't say.