Overflow Boxes, yo. - Aquarium Advice

aquafreak · 12-28-2004, 05:27 PM

CPR Continuous flow Overflow box
Standard U-Overflow Box

What's the dif?

Thanks

captivereefs · 12-28-2004, 05:32 PM

The CPR is quieter but can collect air in the elbow. A rio 800 RVT is need to constanly draw the air out . If to much air collects the siphon can break causing your tank to overfill.

Normal u-tube boxes can do this as well but it is more pronounced in the CPR models.

12-28-2004, 05:27 PM	#1
aquafreak Aquarium Advice Freak Join Date: Feb 2004 Location: Tucson, AZ Posts: 243	Overflow Boxes, yo. CPR Continuous flow Overflow box Standard U-Overflow Box What's the dif? Thanks

12-28-2004, 05:32 PM	#2
captivereefs Aquarium Advice Addict Join Date: Oct 2003 Location: WI Posts: 1,851	The CPR is quieter but can collect air in the elbow. A rio 800 RVT is need to constanly draw the air out . If to much air collects the siphon can break causing your tank to overfill. Normal u-tube boxes can do this as well but it is more pronounced in the CPR models. __________________ Darin

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