Canister vs. HOB

Ajtennis

Jack Dempsey
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Apr 15, 2012
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As of now I'm running two HOB filters on my 55, a marineland bio wheel 350 HOB and a Topfin 60 HOB. First off I was wondering if an different combo would be better. Say two canisters or a canister and a HOB. Second concern after filtration and clarity I was wondering which combination would be the quietest.

All response are appreciated


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Conlin2

Feeder Fish
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Aug 7, 2011
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I would say 2 Eheim 2217s would be sweet on a 55g.
 

rodger

Polypterus
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Apr 29, 2008
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HOB's are easier to clean, so you will do it more often. HOB's give better surface agitation. I feel cans are more versatile. You can put more different types of media in them and change intake and return locations easily.
 

tiger15

Goliath Tigerfish
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Oct 1, 2012
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I don't trust placing a canister in my living area because a leak from a canister can drain the tank and flood the room. HOBs are the safest (from flooding), simplest and cheapest filtration.
 

tlindsey

Silver Tier VIP
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Aug 6, 2011
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Aqua Clear HOB Filters are the best IMO, If you decide not to use any canister filter's. :)
 

Ian21777

Gambusia
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Jun 16, 2012
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if you drill a small hole about an inch below the waterline it will stop the cannister draining the tank all the way to the bottom of the intake.

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tiger15

Goliath Tigerfish
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Oct 1, 2012
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if you drill a small hole about an inch below the waterline it will stop the cannister draining the tank all the way to the bottom of the intake.

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Yes, that's one anti siphon trick every canister owner should do it to prevent disaster. But a few inches in a big tank is still a lot of water, and watch out that dropping water level from evaporation loss can disable a canister.

Aqua Clear HOB Filters are the best IMO, If you decide not to use any canister filter's. :)
AC is best among HOBs in having the highest flow rate and largest filter media volume so in a way it is a HOB canister. Unfortunately, AC is the only HOB that can leak because cleaning of the impeller requires removal of the motor to access the impeller well and overtime the O ring will fail the same way canister O rings will fail eventually.

My preference are the traditional over flow HOBs like Penquin, Aqueon or Whisper which are fail proof.
 
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