05-05-2009, 11:30 PM
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Originally Posted by 1077
Not all sand is sand suitable for all fish.There is marine sand,and sand that contains minerals best suited for fish that prefer hard alkaline water such as ciclhlids. Some sand contains mortar and or lime used in construction.
For most tropical freshwater species,PLAYSAND or POOL FILTER sand would be desireable.
You're right, I worded that terribly. I'm aware of the different types of sand for different aquariums and fish. I meant as far as just plain old aquarium safe sand goes, sharpness shouldn't really be a big issue.