how to work out the size of filter for a fish tank

Dave*END B.S.L* Axten

Hi i am just setting up a fish tank nothing fancy and i am trying to work out what size filter i will need the fish tank is 48 inch in length by 12 inch wide by 18 inch height i have worked it out to 38 gallon or 175 liters approx but i get lost at working out the filter size as some web sites i have looked on say 4 times the flow of water per hour and others say 6 times the flow of water per hour i hope that makes sense any help would be gratefully received

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10. Reptiles, Amphibians, Fish, Insects and Exotics

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18 Jun 2011 21:24

Dave*END B.S.L* Axten

cheers Michael thats great thanks for your help we are hoping to get it set up in the next few weeks

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18 Jun 2011 14:26

Michael *End B.S.L*

ok mate...here goes...he said that all the water needs to flow through the filter 4 times per hour, and if its a 30 gallon tank...it requires a flow rate of 120 gallons per hour...so with yours being a 38 gallon tank...he would get a size larger..like a flow rate of 150 gallons per hour...he said always go bigger if its close...i hope this makes sence to you...i´m lost

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18 Jun 2011 13:16

Dave*END B.S.L* Axten

thanks Michael

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18 Jun 2011 12:40

Michael *End B.S.L*

hiya mate...i have a friend who has a fishtank full of salt water fish, and knows pretty much everything about this subject..i´ll ask him and get back to you..