Can i use rock brackish contained by place of aquarium brackish?

Rock salt is the one we use for cooking ...
Answers: yes&ocean salt of late as long as its not iodised.
Here is a good article:

http://freshaquarium.about.com/cs/treatm...
No, use the aquarium brackish. It's very cheap and you'll know that it hasn't get anything added that will harm your fish.


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