Quote:
Originally Posted by Roderick
You know what is really weird? I had purple sponges grow in (lots of little pockets of them) on live rock that we had out of the water for a good hour while we drove it across Calgary. We have had it since we got our tank up and running in November.
I had a die-off of livestock that I blamed on water quality. If the sponge and corals made it - must have been a different issue?
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I think the "volunteer" type sponges are much hardier than the ones that are collected and sold in LFS. As BigAls BC said, they're collected at depth and probably aren't adapted to any type of exposure to air or changes in environment. The types of sponges you have found in your tank might be found intertidally in the wild where the surrounding environment changes on a daily basis. Or it just might be one tough mutha
