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HOB or 2 HOB


Dino Tamer
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Depends on the size of the tank and what's in it. Some fish like more flow and oxygen so that would be a case where I'd opt for 2 vs 1, especially if it's a long tank. I don't want any "dead zones." I like to ensure that nutrients are circulated throughout the whole tank.

Additionally, can have more beneficial bacteria with 2 HOBs vs 1 - that's helpful especially if you need to seed new tanks. Also less chance of accidentally crashing cycle if you alternate cleaning.
 

Edited by Kalita
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I think it was just last week that a filter zapped me. It was a small filter, so didn't carry much punch, but I learned a lesson. Although I won't get rid of high-watt items I already have, I'll by multiple of smaller power from now on. That way if something is releasing current into the water, it will be limited on how much. (If I understand right.) 

 

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