02-09-2013, 10:08 AM
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Originally Posted by Reefing Madness
You just got the rock, Im guessing. That is what appears to be die off of the rock from it getting dried out. The ammonia from that is what start cycling the tank.
Okay, it hasn't been dry at all in over a year, it was in someone's tank and I've had it in a tote with power heads and a heater. I'll throw it in the tank, just wanted to make sure it wasn't bad stuff(the spikey hair looking black spot was a little concerning). Thanks!