Rimless tank filtration question

DEE’S reef

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So I was looking through facebook marketplace and found a 7 gallon rimless tank and a 13 gallon rimless tank. And I was wondering what do people use for filtration on tanks those size.
 
My little 8g is an AIO but I don't use mechanical filtration. Depending on what you have in the tank mechanical situation isn't alway necessary.

I run my IM 20 with no mechanical filtration.
Pretty much rock, flow, light and heat.
PXL_20260109_233312665~2.jpg
 
You can use an HOB (I prefer the Seachem Tidal), and/or just go with water changes.

5 gallon water changes have a big impact on nano tanks.
 
My little 8g is an AIO but I don't use mechanical filtration. Depending on what you have in the tank mechanical situation isn't alway necessary.

I run my IM 20 with no mechanical filtration.
Pretty much rock, flow, light and heat.
PXL_20260109_233312665~2.jpg
There completely rimless would it matter if I ran a hob filter with it
 
Aquaclear HOB filters are great.

I run an Aquaclear 70 on a 15 gallon with just some polyfill. The water is crystal clear.
 
There completely rimless would it matter if I ran a hob filter with it
Nope! Should work fine. Check out the Seachem Tidal 35 should work perfect.
There is someone on here offloading one I think.
Comes with filter floss and media bag.
 
So use a media bag and filter floss would I need a power head for the tank
Depends on what you have in the tank, depending on the filter you have you may not... but a small one would be beneficial.
 
I was thinking a aqua clear 20 for the filter I like it I have it on my qt tank.
 
Aquaclear HOB filters are great.

I run an Aquaclear 70 on a 15 gallon with just some polyfill. The water is crystal clear.
I have an Aquaclear on my 10g QT for 3 solid years.
Solid piece of equipment.
 

HOW MUCH DOES A FISH’S FEEDING REQUIREMENTS AFFECT YOUR STOCKING DECISIONS?

  • A lot! - I avoid fish that require frequent or specialized feeding

    Votes: 6 30.0%
  • Quite a bit, but an automatic feeder can change my answer

    Votes: 4 20.0%
  • It depends on whether my nutrient export can handle it

    Votes: 3 15.0%
  • It depends on how badly I want the fish

    Votes: 5 25.0%
  • Not much. I’m willing to adjust my routine

    Votes: 4 20.0%
  • Not at all. Feeding demands don’t limit my stocking choices

    Votes: 4 20.0%
  • I usually learn about the demanding feeding schedule after buying the fish!

    Votes: 1 5.0%
  • I haven’t really considered this before

    Votes: 1 5.0%
  • Something else (see my comments in the thread)

    Votes: 0 0.0%
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