Flow

birmjam

Premium Member
Why do tank corals begin to break down within hours of losing flow due to a power failure, but frags seem to survive 24-48 hours of shipping?
 
i will give this a shot :hmm5:
from what i've read in the past.

the frag is in a closed plastic bag traped with air,so the air isn't going anywhere and stays in the bag.
with the splish splash of travel you get oxygen exchange in the bag,however this can last only so long before all the oxygen is gone.

in your tank once the circulation is gone you have no gas exchange and it all escapes ,unless you stand next to it an manualy crate wawes it becomes dead water and things start to die..

hope i got this right

steff
 
frags and corals and colonies all can survive the shipping.
cause in the bag, there is water, and the coral.

in a reef tank. you have Live rock, Live sand, all sorts of bacteria, which alll consume Oxygen, so the Oxygen levels will be depleted much faster. hence why bigger colonies are bad shippers :) .
 
A lot more aerobic organisms quickly die in the substrate without water aeration. Frags on shipped bags do not have to put up with that.
 
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