i voted 11,because 9 of my t8 tanks run 11hours(6hours 1hour break5 hours)
and 4 tanks running t5 going for about 9.5 hours
but i have 5 tanks running t5HO and i only run 8hours
and 2 tanks have t8bulbs but run only 6-7 hours.
with this many tanks its hard to choose one time period.
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Steve. b
I currently have 20 tanks running trying to breed everything freshwwater.
by the end of the month i will have 35 running.
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