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Old 11/10/2020, 09:07 AM   #1
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bheron's Avatar
Join Date: Oct 2003
Location: Valley Forge, PA
Posts: 2,654
Recommendation for new pumps

Hi Roger,
As I mentioned in an earlier thread looking to replace my ol faithful 6080. Going to stick with the Tunze brand b/c of my great experience with the product and support here. Dont need anything over the top. Looking at the 6125 and the 6105. While I do have an Apex its looking like controllable (DC?) types might be more than I want to spend. Looks like the two I mentioned have some sort of control. I have a 220g medium stocked tank that the 6080s worked well for.



Current Tank Info: 220 since Nov 2005
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Old 11/10/2020, 09:47 AM   #2
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rvitko's Avatar
Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,723
Thank you for the kind words.

6105 is controllable, 6125 is not. In general I prefer the controllable pumps for most flow situations as the ability to pulse and alternate is very useful for creating a more natural flow pattern. The 6085 is the current equivalent of the 6080. The main drawback to the DC pumps is that they won't last as long, the circuitry has a finite life span, which typically if well cared for is around 8 years, after that the capacitors will fail to hold a charge and the motor would need to be replaced.

Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
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