What size pump for JBJ 1/10 chiller

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StinkyReefs

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I’m looking at sicce pumps I was wondering if I could use the 0.5 without damaging the chiller or do I have to use the 1.0. The minimum flow rate is 240gph but I saw a thread on here where some said it would be ok to use the 0.5
 
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StinkyReefs

StinkyReefs

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How much head pressure? What size tubing? How many 90s? These all affect the flow.
So that’s what I’m trying to figure out it’s 1/2 tubing with 2 j tubes (the jbj installation kit) it’s going to be placed directly below my tank and it would be about 4ft of tubing
 
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Tcook

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At 4 feet, I would say at least the 2.0.
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Townes_Van_Camp

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I’m looking at sicce pumps I was wondering if I could use the 0.5 without damaging the chiller or do I have to use the 1.0. The minimum flow rate is 240gph but I saw a thread on here where some said it would be ok to use the 0.5
That little pump isn’t even good for water changes. With 2 ft of head in a Nano.
 
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