1 Aseptic meningitis is a term referring to the broad category of meningitis that is not caused by bacteria. 2  Approximately 50% of aseptic meningitis is due to viral infections. 3  Other less common causes include. 4  drug reactions or allergies,  inflammatory diseases like lupus.
The cycle will probably take you roughly 6-8 weeks, depending on the amount of dead stuff in the dry rock and the amount of dead life on the live rock that didn't survive shipping and handling by the time it gets back into saltwater. If the rock is really clean, it might be less than six weeks.
That includes life on Earth, which will surely be wiped out eventually. But how long does it have? The fossil record tells us that life on Earth has lasted at least 3.5 billion years. In that time it has survived being frozen, clobbered by rocks from space, mass poisoning, and even lethal radiation.