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Which of the three filters are best for one turtle in a 110 gallon tank:

http://www.petsandponds.com/en/aquarium ... 65994.html

http://www.petsandponds.com/en/aquarium ... 86618.html

http://www.petsandponds.com/en/aquarium ... 21473.html

I'd lean towards the Aquaclear 110, but it'll be underpowered for a full turtle tank.

They're actually all underpowered. If I had to choose I'd go with the aquaclear, but I'd run more than one. I'd also ditch the carbon it comes with and replace it with more biological filtration. I run an aquaclear 50 (200gph) on my 20 gallon goldfish tank, so I can't imagine running just one 110 in a 110gallon turtle tank.

How do I power it?

You need a canister and a big one for a 110G turtle tank. The FX5 or FX6 should be the canister you are looking at. It's the best bang for the buck for a tank that size.

Underpowered means it's an inadequate amount of filtration. You'll need multiple aquaclear 110s to handle that tank. I'd start with 4 of them.

Read this post for an explanation why: viewtopic.php?f=9&t=30145


Advertised filter specifications are assumedly based on filtration needs for an appropriately stocked community fish tank. A single aquatic turtle produces a much greater bio load than an average community of fish. Therefore the guideline we follow is to divide the filter's advertised capacity rating by three. For example, a filter rated to handle an aquarium up to 150 gallons, should adequately filter up to 50 gallons of aquatic turtle environment water to which I will refer throughout this thread as "turtle gallons". This is only a suggested guideline as different filters have different operational designs, pumps, and flow rates. The turtle gallon ratings are for adult sized turtles.

You really can't avoid a canister with a turtle tank. As stated already the HOBs are underpowered, intakes don't reach the bottom of the tank where the waste is, and easily get clogged. I love HOBs for a fish tank but turtles are a no go. Canisters are excellent and can house much more bacteria, not to mention suck out all the gunk more efficiently. Don't be stingy when it comes to filtration because it will make maintenance that much harder. Bite the bullet and get a large canister like the fx5 or eheim. The XPXL/XP4 is also a good option.

steve wrote:I'd lean towards the Aquaclear 110, but it'll be underpowered for a full turtle tank.

I plan to use an AC110 on my 55 gallon turtle tank - will this be sufficient with large water changes weekly??

Thanks

Probably, but it seems like a ton of work. For the price of a AC 110 you can get an inexpensive SunSun canister filter and do monthly or bi-weekly water changes.

L.West wrote:

steve wrote:I'd lean towards the Aquaclear 110, but it'll be underpowered for a full turtle tank.

I plan to use an AC110 on my 55 gallon turtle tank - will this be sufficient with large water changes weekly??

Thanks

devilduck wrote:Probably, but it seems like a ton of work. For the price of a AC 110 you can get an inexpensive SunSun canister filter and do monthly or bi-weekly water changes.

L.West wrote:

steve wrote:I'd lean towards the Aquaclear 110, but it'll be underpowered for a full turtle tank.

I plan to use an AC110 on my 55 gallon turtle tank - will this be sufficient with large water changes weekly??

Thanks

Yeah, I use a Sunsun for my 55 gallon. Roughly the same price, huge amount of room for bio media, and a uv sterilizer.