Aquaclear 110/40 breeder - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 11-12-2019, 04:54 PM Thread Starter
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Aquaclear 110/40 breeder

Currently on my 40 breeder, I'm using two Aquaclear 70 power filters. I started out using just one. I have to say, it was a lot more quiet using just one. Sadly it didn't seem to be quite enough filtration/movement. I wish I could hex the other filter though. Hate the constant mechanical noise of the two filters and also the splash of both together when the water level declines.



How do you think using it would do water movement and filtration-wise with a single AC 110 on my 40b? I'm debating either that or possibly two AC 50's. I don't know if that would be any quieter or not.
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post #2 of 10 (permalink) Old 11-12-2019, 07:08 PM
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Iíd only use 2 aquaclear 30 on a 40B. Thatís 7.5x turnover rate total between the 2. 150gph out of each filter is plenty.

You donít want any single output over 150-180gph in a planted tank that height. Otherwise plants get blown over sideways and there are whole areas of tank that you canít put plants nor can most fish swim in that strong current.
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post #3 of 10 (permalink) Old 11-13-2019, 12:19 AM
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The AC110 is pretty good for a 40B if you control the output, only issue is it goes down and directly forward. If you could mount it at one end facing the length of tank it would be better somewhat. When I had the 110 on my tank I made a plexy shelf that slid under the outlet and directed the water more out and away from where it normal discharged. Much better.

Having two HOBs is nice because it covers more of the tank however as you noticed it can be louder although the ACs should be pretty quiet. Maybe a good cleaning or replacement of the impeller is due? Are they on full flow? Sometimes when throttled they can be a little noisier then normal.

@DaveKS The HOB flow rates are a little different then canister filters right? The same flow rate in a canister filter would be blasting plants all over but the AC HOB filters its not the same in my experience. They may flow more but its a gentler flow over what is essentially a bigger outlet/waterfall effect vs coming out of a hose. Still the ACs need some modifications (like any HOB) to get even diverse flow thru out the tank IMHO.


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post #4 of 10 (permalink) Old 11-14-2019, 11:22 PM Thread Starter
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You really think two AC 30 filters would be enough on a 40B?
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post #5 of 10 (permalink) Old 11-15-2019, 02:14 AM
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2 AC50 would give you 400gph in a 40 tank. That would be 10x turnover and filters will need to be turn down slightly.

Most I would go on freshwater planted tank that once you put gravel in your dealing with about 15" of water column height is about 8x turnover max. 5-7x is fine usually.

1 AC70 @ 300gph is plenty of GPH for a 40gal, problem with that in your tank is coverage. That one output is not going to effectively cover a 36x18 footprint tank without dead spots. And that 300gph output is to strong in that shallow of tank for plants and 90% of most smaller fish.

Angelfish, gourami, betta, most small tetra etc need calmer waters, totally different environment than setting up a reef, hillstream or African tank.

IMHO anything over a 200gph output is total overkill in a planted tank unless you get up into the big 18x24" tall tanks like 90gal and above.
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post #6 of 10 (permalink) Old 11-15-2019, 04:53 AM
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Quote:
Originally Posted by Blackheart View Post
Currently on my 40 breeder, I'm using two Aquaclear 70 power filters. I started out using just one. I have to say, it was a lot more quiet using just one. Sadly it didn't seem to be quite enough filtration/movement. I wish I could hex the other filter though. Hate the constant mechanical noise of the two filters and also the splash of both together when the water level declines.



How do you think using it would do water movement and filtration-wise with a single AC 110 on my 40b? I'm debating either that or possibly two AC 50's. I don't know if that would be any quieter or not.


I have a 110 on a 40B and it works well, I even added a canister filter because I wanted to switch from HOB to canister so I can add an inline heater and CO2 reactor. Itís been 3 months and I havenít taken the 110 off yet. Too much flow... nah itís ok, fish love it, keeps the substrate clean. The canisterís output is a spray at, pointed slightly upwards, got plenty of surface agitation, plants donít blow around much at all.

The only real issue with a HOB in general is need for slightly more CO2 due to surface agitation. They are so easy to clean though!! Canisters are such a pain.


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post #7 of 10 (permalink) Old 11-15-2019, 01:24 PM Thread Starter
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Yeah I may try out the two AC 50 route. Also I'm not doing canisters. Tried them in the past with nothing but issues and they are a hassle to setup and clean.
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post #8 of 10 (permalink) Old 11-15-2019, 01:41 PM
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Yeah I may try out the two AC 50 route. Also I'm not doing canisters. Tried them in the past with nothing but issues and they are a hassle to setup and clean.

You could also go with a small powerhead to redirect flow to lower volume areas, and just use 1 AC70. I have a koralia nano 240 in my 28 cube with an AC50, and a nano 425 in my 75G, and they both allow me to get more water movement with minimal noise.


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post #9 of 10 (permalink) Old 11-15-2019, 04:45 PM Thread Starter
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I tried that. Didn't really work the best. But I had the powerhead on the left side of the tank and the AC filter in the middle. would there be a better arrangement?
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post #10 of 10 (permalink) Old 11-16-2019, 01:37 PM
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You can also look at the Seachem Tidal 75. Similar to the AC's, but the water flows out across the top of the tank a little further than with the AC. You do have to keep the water high, though or it will drop off just as with the AC.

I use one Tidal 75 on my 40B. The flow control on the Tidal is so much better than the AC, too. I never really noticed much difference on my AC filters. With the Tidal, you can slow it to almost nothing or full power as required for your fish or plants.

There is also a Tidal 55, if you wanted 2 filters, or a Tidal 110, comparable to the AC110. For my purposes, one Tidal 75 has been sufficient.
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