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View Full Version : blasting sand (coal slag) affecting reef?


AquaWave523
09/14/2012, 08:18 AM
All,

I'm converting my freshwater tank into saltwater. The original setup had the blasting sand for the substrate in the freshwater planted tank. I have since removed it but occassionally there are a few small pieces linger at the bottom of the tank or in the containers I used to clean it out.

MY question is if the blasting sand would have any negative affect for reef tanks. IT was used in a planted freshwater tank with no problems and tons of freshwater fish for a year.