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Unread 03/23/2017, 12:33 PM   #2876
tenurepro
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Quote:
Originally Posted by slief View Post
You indicated the block was replaced with a Laguna. was this on the MBK 180? It's possible that when it was glued down to the base, it wasn't glued down flush with the bottom which could be causing the nozzle to have too much contact with the skimmer body. When we ship replacement blocks, they are bonded to a new base. The only way to swap the block in your case would have been to pry the original block off the original base before gluing the Laguna block to it. Also, nut sure what Laguna block was used in your 180 but the MBK 180's ship with a RD1000. If they used a Laguna 1500 or 1350. the impeller would be spinning at a higher rate of speed than it was designed to. This could cause vibration as could the bearing if it's not seated properly or if the end of the impeller is worn.



I would suggest taking the skimmer complete apart and disassembling the pump. Remove the impeller and the bearing and inspect everything. Check the end of the impeller shaft for build up and or abnormal wear. Make sure it's nice and smooth. The only thing that kills the pumps is improper maintenance which can lead to the damage to the impeller shaft where it goes into the bearing at the base of the magnet cavity.

Take a look at the thread below regarding maintenance on these pumps. Post 2 shows the bearing and how to remove and install it.

http://www.reefcentral.com/forums/sh....php?t=2573406



One other thing. If this skimmer was just setup, it will quiet down once it breaks in but I would still go through everything just to be certain it's all clean inside the pump and assembled properly. .


Hi Slief - are there benchmark decibel levels for the MBK 160 and 180? Do you think 60 to 70 db is normal?


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Unread 03/23/2017, 12:34 PM   #2877
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Hi Slief - are there benchmark decibel levels for the MBK 160 and 180? Do you think 60 to 70 db is normal?


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No bench mark dB's. Having a MBK160 on one of my tanks and knowing others with them, I can tell you they are normally pretty much silent once they break in.

I forgot the link to the manual in my last post.
Here it is.
http://royalexclusiv.net/images/cont...enance_eng.pdf


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Last edited by slief; 03/23/2017 at 12:41 PM.
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Unread 03/23/2017, 12:44 PM   #2878
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Hi Slief - are there benchmark decibel levels for the MBK 160 and 180? Do you think 60 to 70 db is normal?


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One other thing. Does the pump head have a little black John Guest fitting on the side of it that would accommodate some tubing? I ask because the more recent Mini Bubble King 180's had what is known as an AKB which sends water from the pump head to the back side of the block. If the pump head has that fitting, you would really need the correct block. The block you would find in a Laguna would not include the reciprocal fitting on the back of the block to connect the AKB tube.

If you look at this picture below, you can see the AKB tubing and where it comes out of the side of the pump head.



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Unread 03/23/2017, 12:46 PM   #2879
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Quote:
Originally Posted by slief View Post
No bench mark dB's. Having a MBK160 on one of my tanks and knowing others with them, I can tell you they are normally pretty much silent once they break in.

I forgot the link to the manual in my last post.
Here it is.
http://royalexclusiv.net/images/cont...enance_eng.pdf


Thanks! Because noise perception is relative, I would highly appreciate a db measurement from your MBK160... mine is far from silent. Been running for 3 weeks now and I am scratching my head about why it is 67 db loud.


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Unread 03/23/2017, 12:53 PM   #2880
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Thanks! Because noise perception is relative, I would highly appreciate a db measurement from your MBK160... mine is far from silent. Been running for 3 weeks now and I am scratching my head about why it is 67 db loud.


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I don't have a dB meter and it would also require shutting of pumps which would cause the skimmer to overflow.

That said, I would strongly suggest you take the pump fully apart and make sure it's clean inside and out. Inspect the bearing and reassemble it properly. Also, knowing that the original owner pried the block off the base and installed a different block, it could be misaligned. Still, take the steps I have suggested above. These skimmers are normally very quiet but given the circumstances of your skimmer, it could be one of a few things causing the noise you are hearing and trial and error will be your best bet. Also make sure the rubber feet are on the bottom of the skimmer. If they aren't, that could cause noise. Make sure the bubble plate is centered in the body and not off to one side so that it could be touching the inside of the body. You can see the bubble plate in the picture I posted a couple posts above showing the pump. It is held in place by the pumps output and can be shifted left or right inside the body. It needs to be centered so it's not contacting the sides of the skimmer.


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Unread 03/23/2017, 01:04 PM   #2881
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Quote:
Originally Posted by slief View Post
I don't have a dB meter and it would also require shutting of pumps which would cause the skimmer to overflow.

That said, I would strongly suggest you take the pump fully apart and make sure it's clean inside and out. Inspect the bearing and reassemble it properly. Also, knowing that the original owner pried the block off the base and installed a different block, it could be misaligned. Still, take the steps I have suggested above. These skimmers are normally very quiet but given the circumstances of your skimmer, it could be one of a few things causing the noise you are hearing and trial and error will be your best bet. Also make sure the rubber feet are on the bottom of the skimmer. If they aren't, that could cause noise. Make sure the bubble plate is centered in the body and not off to one side so that it could be touching the inside of the body. You can see the bubble plate in the picture I posted a couple posts above showing the pump. It is held in place by the pumps output and can be shifted left or right inside the body. It needs to be centered so it's not contacting the sides of the skimmer.
Thanks! I think you are mixing up my skimmer with Galizio... i did replace my motor, but it was with the same 600 motor block (purchased from Royal Exclusive in Germany) - it just fit in there without any issue. i used the new bearing that came with the motor block, but retained the old rotor and pump head because the rotor looked good without any obvious signs of wear. bubble plate is centred in the body and is not contacting the body of the skimmer. i replaced the o-ring on the cup/skimmer head in case that was causing some vibration. Rubber feet are there and i've added two silicone pads underneath. Pump is still not 'silent'. Pehraps new motor block hasn't broken in yet. I will take it apart on the weekend, and see if i can snap some picture of the rotor and posted it up here... in case there is something that i am missing.

thanks again for your help.


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Unread 03/23/2017, 01:10 PM   #2882
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Thanks! I think you are mixing up my skimmer with Galizio... i did replace my motor, but it was with the same 600 motor block (purchased from Royal Exclusive in Germany) - it just fit in there without any issue. i used the new bearing that came with the motor block, but retained the old rotor and pump head because the rotor looked good without any obvious signs of wear. bubble plate is centred in the body and is not contacting the body of the skimmer. i replaced the o-ring on the cup/skimmer head in case that was causing some vibration. Rubber feet are there and i've added two silicone pads underneath. Pump is still not 'silent'. Pehraps new motor block hasn't broken in yet. I will take it apart on the weekend, and see if i can snap some picture of the rotor and posted it up here... in case there is something that i am missing.

thanks again for your help.
Oops. Not enough sleep. Sorry about that. I would take it apart and double check everything. Make sure the bearing is in the pump in the correct orientation. The O-ring side should be closest to the front of the pump. See post 2 of this thread:
http://www.reefcentral.com/forums/sh....php?t=2573406

Another thing you can try after inspecting it inside and out is loosening up the nut slightly that holds the bubble plate base in place. It doesn't need to be terribly tight. When I first set my MBK 160 up, it was slightly noisy but it quieted down to near silent after a bit of time. It might have taken a few weeks. I honestly don't remember. My guess is that something is either assembled wrong inside the pump or misaligned between the pump and the skimmer body. The pumps themselves are generally dead silent when assembled properly but if the bearing isn't inserted properly, that will cause noise from inside the pump.


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Unread 03/23/2017, 05:07 PM   #2883
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Thank you slief( sorry misspelled your name last post).
So yes, is a Laguna 1350, the skimmer is a beast is just I can't explain why is a bit noisier then the alpha... I'm going to follow your steps and dissemble the skimmer this week end. By the way this pump doesn't have the fitting as is a gen 2 bkm 180.
It's possible to use one of the new pumps on a gen 2 skimmer?those new pumps looks awesome..


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Unread 03/23/2017, 06:07 PM   #2884
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Thank you slief( sorry misspelled your name last post).
So yes, is a Laguna 1350, the skimmer is a beast is just I can't explain why is a bit noisier then the alpha... I'm going to follow your steps and dissemble the skimmer this week end. By the way this pump doesn't have the fitting as is a gen 2 bkm 180.
It's possible to use one of the new pumps on a gen 2 skimmer?those new pumps looks awesome..


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You would need a new pump, volute and impeller. Not worth the effort IMO as it would be cost prohibitive. At that point, you would be better off selling this skimmer and buying a new one.


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Unread 04/01/2017, 10:32 AM   #2885
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I'm looking at purchasing my first bubble king. I have a 120 gallon (4x2x2) with an app 30 gallon sump. So looking for advice on which one to purchase. I have a medium to heavy bioload and would like it to be a little on the larger size. Thanks for the assistance.

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Unread 04/01/2017, 12:10 PM   #2886
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Bk mini 160 or 180 works real well.


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Unread 04/02/2017, 01:55 PM   #2887
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I'm looking at purchasing my first bubble king. I have a 120 gallon (4x2x2) with an app 30 gallon sump. So looking for advice on which one to purchase. I have a medium to heavy bioload and would like it to be a little on the larger size. Thanks for the assistance.

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Bk mini 160 or 180 works real well.


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+1.
For that size display, a Mini 180 or Double Cone 180 would be great. A Mini 160 could also work though the 180 would likely be more appropriate if the load is at least a medium bioload. If the load is really low, the 160 would work great too.

Personally, I'd go with the Double Cone 180 because the skimmer pump is outside the body making maintenance easier though both the Mini 180 and Double Cone are both great performers. Unlike the Mini, the Double Cone 180 includes the RD3 pump which makes fine tune a breeze and also makes the skimmer more flexible in terms of load.

That said, a truly heavy bioload (by Bubble King standards) is upwards of 1/2" of fish per gallon. Many people think they have a heavy load but aren't anywhere near that when it comes to these skimmers. The Bubble Kings are also very conservatively rated and will perform best when properly matched to the load/display size. That said, we have a dedicated forum for all things Bubble King and Royal Exclusiv. We monitor that forum 7 days a week night and day.

http://www.reefcentral.com/forums/fo...play.php?f=745


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Unread 04/02/2017, 03:31 PM   #2888
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Quote:
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+1.
For that size display, a Mini 180 or Double Cone 180 would be great. A Mini 160 could also work though the 180 would likely be more appropriate if the load is at least a medium bioload. If the load is really low, the 160 would work great too.

Personally, I'd go with the Double Cone 180 because the skimmer pump is outside the body making maintenance easier though both the Mini 180 and Double Cone are both great performers. Unlike the Mini, the Double Cone 180 includes the RD3 pump which makes fine tune a breeze and also makes the skimmer more flexible in terms of load.

That said, a truly heavy bioload (by Bubble King standards) is upwards of 1/2" of fish per gallon. Many people think they have a heavy load but aren't anywhere near that when it comes to these skimmers. The Bubble Kings are also very conservatively rated and will perform best when properly matched to the load/display size. That said, we have a dedicated forum for all things Bubble King and Royal Exclusiv. We monitor that forum 7 days a week night and day.

http://www.reefcentral.com/forums/fo...play.php?f=745
Hey Scott, somewhat of a tangential question but...I see you speak of the 1/2" of fish per gallon rule often. I'm not a big math guy, but if I wanted to determine the bioload by that rule, I would add up the length of all my fish and divide by my display tank size? Like I said, I'm not a math guy. lol But I think this formula would give many people a rough idea of how to size their skimmer.

When I bought my DC 200, I was somewhat put off by the "Royal Exclusiv Bubble King Double Cone 180 + RD3 Speedy - for aquariums up to 132 Gallons (500 liters)" description. Mind you, I bought my skimmer before RE USA came to fruition, but after you guys started the forum, I then found out the skimmers are way underrated. Given that, I went for the DC 200 because I didn't want to spend $1,200+ on a skimmer that was "barely rated" for my tank. When my bioload was heavy, the DC 200 ran like a champ, but once my bioload dropped, I began to experience inconsistent skimming.

I recall reading somewhere that the 150, 180, 200, 250 numbers indicated the display size, but I cannot recall where I read that. Still, its a great skimmer that I will own for years to come, but I wish the description on these skimmers is more accurately rewritten at some point.


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Unread 04/03/2017, 03:49 PM   #2889
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On the 1/2 inch fish theorythe best way to find thought out is take your display and divide in half. So my tank is a 240 gallon tank, divide that by the 1/2 in theory and you get 120 inches. Or 10ft of fish... I have 30 fish or so and don't have 10ft of fish. Even my biggest tang is only 8 inches with most fish being 2-4 inches. So my DC200 is not even having to work to keep up with my load. Also have to take into consideration how much we feed.
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Unread 04/04/2017, 11:30 AM   #2890
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Hey Scott, somewhat of a tangential question but...I see you speak of the 1/2" of fish per gallon rule often. I'm not a big math guy, but if I wanted to determine the bioload by that rule, I would add up the length of all my fish and divide by my display tank size? Like I said, I'm not a math guy. lol But I think this formula would give many people a rough idea of how to size their skimmer.

When I bought my DC 200, I was somewhat put off by the "Royal Exclusiv Bubble King Double Cone 180 + RD3 Speedy - for aquariums up to 132 Gallons (500 liters)" description. Mind you, I bought my skimmer before RE USA came to fruition, but after you guys started the forum, I then found out the skimmers are way underrated. Given that, I went for the DC 200 because I didn't want to spend $1,200+ on a skimmer that was "barely rated" for my tank. When my bioload was heavy, the DC 200 ran like a champ, but once my bioload dropped, I began to experience inconsistent skimming.

I recall reading somewhere that the 150, 180, 200, 250 numbers indicated the display size, but I cannot recall where I read that. Still, its a great skimmer that I will own for years to come, but I wish the description on these skimmers is more accurately rewritten at some point.

The 1/2" per gallon load is kind of a general aquarium industry rule. When you get into larger fish, it kind of falls into a gray area but 50" of fish in a 100 gallon display would be a heavy load. That would be equivalent to 50 small clown fish or chromis. That said, a 7" tang would eat a lot more than 7 chromis and also poop a lot more which is why that 1/2" per gallon rule gets kind of mucky. I guess girth would have to be considered much the same way package sizing is in the shipping world.

When we look at the range of skimmers, the low end of the scale would apply to a heavy load and a light load at the high end of the sizing. I do agree that the sizing ranges leave much to be desired and this sadly holds true across the entire skimmer industry. What makes it worse is that some skimmer manufacturers rate their skimmers optimistically while others are more conservative. When I'm consulted with skimmer questions, I always try to point those things out. That said, in your case with the 200 skimmer, just run it more wet.


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Unread 04/07/2017, 01:11 AM   #2891
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Is there anywhere I can find reference of how dense the bubbles should be within the chamber? I just bought a 2-3 year old dc250. The density of bubble in the chamber seems kinda low. What type of adjustment would increase bubble density? Is it possible my air intake is clogged?

Thanks for any assistance!


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Unread 04/07/2017, 07:52 AM   #2892
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Is there anywhere I can find reference of how dense the bubbles should be within the chamber? I just bought a 2-3 year old dc250. The density of bubble in the chamber seems kinda low. What type of adjustment would increase bubble density? Is it possible my air intake is clogged?

Thanks for any assistance!


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There really isn't a video to reference the bubble denisity. It's kind of somthing you have to feel your way through based on your load. That said, is this an RD3 model? If so, the best setting will be between 36-38 watts depending on your load. Which brings up the question, what size display and what is your fish load/stock? That is a pretty big skimmer and needs a fair amount of load to maintain a good enough foam head to keep the neck consistently full. Skimmers needs dissolved organics/proteins to generate good dense foam. It's the proteins that help the bubbles bind together to form foam. In the absence of enough organics, you end up with bubbles that tend to burst at the surface.


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Unread 04/07/2017, 09:24 AM   #2893
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There really isn't a video to reference the bubble denisity. It's kind of somthing you have to feel your way through based on your load. That said, is this an RD3 model? If so, the best setting will be between 36-38 watts depending on your load. Which brings up the question, what size display and what is your fish load/stock? That is a pretty big skimmer and needs a fair amount of load to maintain a good enough foam head to keep the neck consistently full. Skimmers needs dissolved organics/proteins to generate good dense foam. It's the proteins that help the bubbles bind together to form foam. In the absence of enough organics, you end up with bubbles that tend to burst at the surface.


Thanks Scott. I just got it last night so will keep an eye on it. It'll be going on roughly a 500 gallon system


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Unread 04/07/2017, 09:59 AM   #2894
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Thanks Scott. I just got it last night so will keep an eye on it. It'll be going on roughly a 500 gallon system


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Cool. Glad it's on a bigger system. Hopefully you have a good number of fish in it or at least lots of feeding going on. It's a great sized skimmer for that sized system assuming there are plenty of fish since it's the fish and feedings that generate the needed DOC's to keep the skimmer fed well. It will take a week or so to fully break in. If you check out of our forum here, there is a good thread on setting up and tuning the skimmer.

Here is the tuning thread.
http://www.reefcentral.com/forums/sh....php?t=2546139


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Unread 04/07/2017, 10:34 AM   #2895
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Thanks

This was overnight of running it at 34 watts first night.




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Unread 04/07/2017, 12:47 PM   #2896
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Thanks

This was overnight of running it at 34 watts first night.




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That looks pretty good. Let it break in and and adjust it accordingly.


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Unread 04/24/2017, 10:42 AM   #2897
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My Red Dragon Bubble King 2000 pump will run about 4 seconds then stop, and repeat for a minute or so, then stop completely. I can't feel any problems with impeller or it's fitting. Do folks think this is an impeller problem or motor problem, as it's so expensive for me to guess wrong. Thanks!


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Unread 04/24/2017, 10:58 AM   #2898
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My Red Dragon Bubble King 2000 pump will run about 4 seconds then stop, and repeat for a minute or so, then stop completely. I can't feel any problems with impeller or it's fitting. Do folks think this is an impeller problem or motor problem, as it's so expensive for me to guess wrong. Thanks!
Take a look at post 2 in this thread in the bubble king forum. While it's more than likely the motorblock that is the dead, I would take the pump completely apart and give it a thorough cleaning in vinegar. A 10 minute soak of the impeller, block and bearing followed by a scrubbing. calcium buildup inside the block will create extra load on the block which will result in premature failure. We suggest taking the pump apart and cleaning it every 4-5 months. If you do that, these pumps will last 10+ years. That said, it's possible there is some buildup inside that is causing the pump to start and stop. If you caught it early enough, a cleaning may be all that is needed.

Post 2 of this thread covers the bearing remove and installation. It's important to make sure the end of the impeller shaft below the magnet is clean and smooth and also important to make sure the hole in the bearing is clean. Any buildup in there will create friction which is the primary reason for the pump to fail. Worst case, we do stock the blocks in our Ft. Myers warehouse. We would just need to determine if your block as the AKB (anti lime bypass) which is the red tube that connects from the pump head to the rear side of the block.

http://www.reefcentral.com/forums/sh....php?t=2573406


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Current Tank Info: 480G display mixed reef, 90G sump, 90G refugium, 60G display refugium. Check out my build thread: http://www.reefcentral.com/forums/showthread.php?t=1783476
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Unread 05/08/2017, 08:48 PM   #2899
Reef or Die
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I like the bubble King super Marin 200 but don't know what they are rated for. Would this be a good skimmer for 120 gallon tank with 40 gallon sump with a decent bio load.

Anyone have some advice or know the gallon range these are good for?


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Unread 05/09/2017, 11:22 AM   #2900
mlb75
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It's a great skimmer but may be a bit oversized for that size tank unless the load is pretty heavy. I'm sure Slief will respond but for comparison I run a 250 on my 300 with 100 or so gallons of sump and upwards of 25-30 fish that eat like pigs.


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