Help with circulation pump for 2100 freshwater tank

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marciotf

Gambusia
MFK Member
Sep 29, 2012
12
1
18
Brasil
Hi Guys,
I just bought a new 2100 liter glass tank (Length 3 meters, Width 1 meter, Height 70cm).
My filtration system is a sump (around 400 liters), return pump is a Jebao DCT-6000 Marine Controllable Water Pump.
Tank is freshwater, mostly south and central american cichlids, some medium sized catfishes and large polypterus. I wont load it very much, I dont like aquariums too stocked.
Filtration seems to be working fine, water parameters are good.

But there are a lot of detritus in the substrate.
I want to buy a circulation pump to fix this, but Im in doubt what are the better options for my setup. I have tried searching the Internet but most the info I found were pumps for smaller tanks, that wouldnt apply to my tank.

One aspect important that I find hard to see in the specifications is about the mount, I am worried some pumps that use magnets wouldnt be strong enough for the 19mm glass.

Im thinking on this one:

Rossmont Mover MX3500 Circulation Pump (2 pack) - it looks good and the mount uses a magnet that is stated should work through the 19mm glass
https://www.amazon.com/gp/product/B00UKB2IHC/ref=ox_sc_act_title_3?smid=A1ZIOKDYA2KMI2&psc=1

Is this a good choice for my setup? Are there any better choices?

PS: I dont live in USA so I need to buy preferentially online, most of time I use Amazon, so options available there are prefered.

Thanks very much.
 
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