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Discussion Starter #1
Hi all. I recently picked up a 500 gal tank and I'm starting to plan a cichlid tank. the tank came with a 50 gal sump but I feel that's not enough. I also have an empty 90 gal tank I could make into another wet dry sump but not sure what the best design would be. Looking for any and all suggestions as I'm not all that familiar with what is out there now.
 

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Welcome to the forum

Boy a 50 and 90 gallon sump/wetdry will be good filtration! There are designs and stuff available online - you can probably find a tutorial on youtube.

500 gallons! what are the dimensions of such a tank - 8 feet long? 10?
 

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4 feet tall? Wow! Does it sit on a stand? Acrylic?
 

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Discussion Starter #7
Its going to sit on a short wall and act as a room divider between the kitchen and family room
 

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Discussion Starter #8
Any preference in medias ? are submersible heaters good enough for such a tank or do I need to step up to a chiller?
 

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That sounds awesome. What do you intend to keep in it? Guppies?
 

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Any preference in medias ? are submersible heaters good enough for such a tank or do I need to step up to a chiller?
Yes, submersibles in the sumps.

They don't make chillers large enough for a tank that big, and if they did it would cost thousands of dollars, cost a ton to run and will make more than a little noise.

Fish stores use bioballs in their central filtration systems.
 

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Discussion Starter #11
Ha yeah really big guppies! No not sure on the fish list yet but looking into lots of colorful cichlids. always liked the arrowanas . Whats the deal with the plastic brilo pads I see in some sump setups online? are they the new bioball?
 

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Ha yeah really big guppies! No not sure on the fish list yet but looking into lots of colorful cichlids. always liked the arrowanas . Whats the deal with the plastic brilo pads I see in some sump setups online? are they the new bioball?
Arowana is certainly an option. While it is a massive tank, the fact that it's only 2 feet wide is somewhat limiting though. You can keep some big fish in there though.

I don't know about the Brillo pads. I run canisters, not sumps.
 

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do you think the canisters are a better way to go?
No, not for your tank. You'd have to run at least 3-4 filters. IMO a 180 is the limit for canisters.
 

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I would look at running both the sumps on a tank that size and look at probably 2000w of heaters, 4 x 500w would be good, 2 in the tank and 1 in each sump.

Make a massive wet dry out of both the sump tanks, cram it full of pot scrubbers, either that or you are looking at 2 x Fluval FX5's for a tank that size.

Fish, you are actually limited believe it or not on some of the big species, simple reason the tank is not very wide, 24" is not a lot of room for a 20" fish to be able to turn around in.

I would HIGHLY RECOMMEND, you place a piece of 1" thick styrofoam sheet under that tank before it goes on the stand. A tank that size, the water pressure on the sides is immense and it MUST be ABSOLUTELY LEVEL, 1-2mm off can easily cause the seam to give way. Have you had a structural engineer check the area you are going to put the tank? You are looking at nearly 4000lbs of water weight alone and if you want to keep cichlids, add another probably 200-300lbs if not more of rocks to make them happy.

I would love to see a picture of that tank, you can add pictures, by clicking "go advanced" in the message window, on the top of the box which will appear, there is a "smiley face" next to that is a paper clip, you can use that to attach pictures. If you have the pictures stored on something like photobucket, you can use the insert link option (green under the smiley face), use the direct link to the picture.

Welcome to the forum and am looking forward to seeing this tank come into reality.
 

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Discussion Starter #17
Yes I did run the setup past my engineer. I built my house with the tank in mind the floor should be able to handle 15000 lbs.

The tank is an ATM acrylic tank so the bottom is flat no room for foam or the like.
the sides are 1 3/16 " thick so its pretty solid.
 

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Discussion Starter #18
So the pot scrubbers are the way to go? How much area should I leave for carbon and such? and what size pump do you think I need? I will have the sumps in the basement and will need the pump to push the return 8-10 feet up
 

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You might want to consider running a second pump inline, to help the water along. Head height for many pumps is 4-6 feet, though the bigger pumps you;ll need likely have a higher head height.
 

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You can get pumps with 15-20ft head height but they are not cheap and not very quiet either.

Pot scrubbers are the cheapest option for a massive wet dry system, although bioballs will do as well. The pot scrubbers you can either submerge or have dry with a trickle over them.

How are getting the water from the tank to the sumps, are you drilling the tank or using an overflow system?
 
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