Set up a a biocube 29 gallon on Monday. Used 30 pound of live rock with no die off on the way back. 40 pounds of live sand. I tested and ammonia is 0, nitrite is 0 and nitrate is 20. My question is do you think the 4-5" deep sand bed and the very mature rock may have eliminated the cycle to 2 days? Can I add clowns yet? I've always used dry rock and sand so my cycles have been long. This is my first time using live sand and rock to start a tank.
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