What is this thing?

eahkmh

Member
I found this in my sump, what is it? This is the best pic i could get.


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Yes it's bio-bale. Came with the setup i bought for equiptment. Its being changed to a 50 gal. oceanic all black glass sump soon. But i have no nitrates with the setup, it works great. I bought for freshwater (not reef ready) and i am switching tanks soon. thanks all for the i.d.
 
Very good. After awhile every frag or rock you take out of the tank and set down should have some coming off of it.
 
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