"Les Johnstone" writes:
the Crushed Coral in a big bucked and the LR in a bucket with tank water.
Now after six months most of the tank water evaporated leaving the LR
[...]
Do you think the Crushed Coral will be OK or will strange chemical reactions
have taken place in the bucket?

I don't know about "strange chemical reactions" but you now have salt
encrusted rock. adding it to a tank at the proper salinity will likely
be a bad thing.

If it were me, i'd rinse it well, then let it sit in a largish volume
of fresh water for a week or two (to dissolve any internal salts)
before using it.


--
be safe.
flip
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