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Old 07-15-2012, 07:36 AM   #16
HypnoticAquatic
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Quote:
Originally Posted by tobystanton View Post
You really need more then just a hob, it really helps to have a spray bar, I run co2 till my drop checker is yellow and the shrimps are fine because of the gas exchange surface agitation provides.
it really doesnt matter what type of filter he has as long as hes got good flow and surface agitation a spray bar really wont have much of a effect vs a hob, they both can provide surface agitation only main thing is the spray bar can tone down the current while keeping the same flow but thats about it.
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