11-21-2009, 08:34 PM
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Although possible, I never experienced such mishap with AC due to CC. I do know that CC are very porous which will trap fine detritus which will cause nitrate problem down the road. Dolomite was used before but dont know if still avail.
Check CaribSea's website.
Should bre able to find substrate specifically made for AC. These are ugly and dull so I used to mix bag of shells from same Co.
Common/beach sand is not good idea for AC since will not boost/buffer the pH needed for AC as they are inert.
If really desire sand, look into sand by CaribSea used for salt water tank such as Pink Samoan, etc, etc which will assist in maintaining high pH/GH needed for AC.
Personally, would not use sand for mbunas since they can constantly dig causing Avalanche in the tank if one set up mbuna tank like I used to, piled of rocks and boulders..
Sand I used f was mostly for Tang specimens which must have sand to spawn or naturally found in sandy bottom such as Lamprichthys tanganicanus, C. furficer, Bentochromis tricoti (challenging fish I must say), etc, etc.