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setting up 6ft marine predator tank

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setting up 6ft marine predator tank

Postby sim » Sun 09 Oct, 2011 8:10 pm

Introduction:

Ok as there is not too much on predator systems so I thought I'd make a journal as I go on my journey, so I can help people to not makes the same mistakes I probably will make at some stage... hum

I got my first fish when I was in year 2 and have had fish for most of the time since then. They have mainly been fresh water but I have had a couple of small 4ft ish marine systems for short periods of time. one was 15 years ago when I had a stripy, a blue dansel and a hand fish type thing(found it floating on the surface) all wild caught. they all lived for a good 6 month to a year and were released back health even tho it was a primitive system with under-gravel filter and air stone skimmer... they did get a 20L water change nearly every day... The other was quite recent as a bit of a test using the 5ft aquarium that is now my sump tank. I had 1 tarwhine, 3 butter bream and a few other smaller gobies and stuff. This time I ran a sump with filter mat, bio balls and small 1000L/H skimmer, I only had this system for about 6 month (again released to same spot) till I bought this second hand 6ft x 2ft x 2ft which had a small corner overflow already setup this had been running natives for exactly 1 year till now...

I them Modified my old 5ft tank into a sump tank and built this stand pictured bellow. (too be added as soon as i figure out how???)

Image


System Objectives: Have a nice system that customers in my shop that can appreciate...

Display System:
6ft x 2 x 2 this aquarium has just been re-built with new face sheet and re-designed dual overflow (previously could only handle about 2500L/h)
another 3ft is viewable from my 5ft x 2ft x 1.5ft sump (this also had to be re-designed slightly to fit skimmer)

all up about 1100L

Strike up Date:

Display Lighting:
2x dual 4ft fluros
New tubes still to be purchased

Stand specifications:
Home made
Made out of F27 kiln dried hard timber apart from the surround and hood its all is made of 35 x 70mm
Painted with organ oil

Hood:
Same type of timber as stand

Sump:
the actual sump portion is 2ft x 2ft x 1.5 ft (the other 3ft is display)
has filter sock and 30kg of ceramic rings

I did not really know about the fluid bed filters so i may add one of those next year.
I should not need a calcium reactor as Its not a reef system...


System Water:
Natural salt water from the ocean (fishing trips)

Water circulation:
1 x Sensen 6800 L/H sump pump. *This pump has been replaced for 2x 5000l/h Eden pumps, much quieter*
Image


1 x 5000L/h fan things (in display)...


Skimmer:
reef Octopus NW-200-6540B (suitable for 1500L) *The pump has a little rattle type noise in it... could be quieter...*
Image


Evaporation Top Up:
Manual

Water temp:
my local area varies from around 16 - 27 degrees
this summer will be the test

Current Water Chemistry: Not yet
PH:
Ammonia:
Nitrite:
Nitrate:
Specific Gravity:

Livestock: So far just to cycle the tank

2x Southern yellow scads (Yackas used for live bait)
1x Silver Sweep
1x Slate sweetlip (juvenile)
1x Black spot snapper
4x Stripeys
and a few prawns ranging in size...


Live rock and coral sand for display tank

after it has cycled and summer temperatures observed I hope to add a couple of snapper (30cm) and something else


as it stands now:
hope to fill sump by the end of the week (14th oct 11)
it is now fully filled & circulating with a few small fish (21st nov 11)

Image


Any advice would be greatly appreciated :-)
Last edited by sim on Tue 22 Nov, 2011 11:08 am, edited 4 times in total.
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Re: setting up 6ft marine predator tank

Postby rachie85 » Sun 09 Oct, 2011 8:37 pm

I am currently setting up a 6ft predator tank myself and will be updating my journal soon (been very busy with work).

good luck!
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Re: setting up 6ft marine predator tank

Postby sim » Sat 19 Nov, 2011 5:58 pm

Everything takes longer than expected...
Finally got the top tank filled the other day and have started cycling the whole system.

I ended up replaced the single lift pump as it was way too noisy. I now run 2x Eden 159 pumps (5,000 L/hr each) they work a treat. this also gives me a little more safety if one stops :)

Unfortunately I have run into a problem I need advice on how to stop the masses of bubbles forming when the top tank runs into the bottom tank... any Ideas would be greatly appreciated...

here are a couple of pic the overflow and the return to lower tank... sorry for the small image size... humm make that way too big now....


Image

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Last edited by sim on Tue 22 Nov, 2011 8:50 am, edited 2 times in total.
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Re: setting up 6ft marine predator tank

Postby wmackay » Mon 21 Nov, 2011 5:50 pm

what type of drain/ overflow system are you running? Durso? dual durso? siphon durso?
"Death is nature's way of telling you to slow down."
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Re: setting up 6ft marine predator tank

Postby sim » Tue 22 Nov, 2011 8:52 am

Thats way clearer with the picture re-size ...

dual durso I believe...
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Re: setting up 6ft marine predator tank

Postby Monsta » Tue 13 Dec, 2011 8:13 pm

Any updates?
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Re: setting up 6ft marine predator tank

Postby wmackay » Tue 13 Dec, 2011 8:25 pm

Come on rach update! Turn your drain into siphon durso, cut one down about 100 mm and make it a full siphon. No more bubbles
"Death is nature's way of telling you to slow down."
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Re: setting up 6ft marine predator tank

Postby sim » Wed 25 Jan, 2012 9:32 am

wmackay wrote:Come on rach update! Turn your drain into siphon durso, cut one down about 100 mm and make it a full siphon. No more bubbles


Thanks heaps worked a treat... :-)

The aquarium has been in half setup for a while now due to work & other things but i have decided to re-build the sump tank it is just not working well enough... skimmer in evaporation side just does not work...
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Re: setting up 6ft marine predator tank

Postby reelmagic_reefer » Thu 08 Mar, 2012 9:46 pm

Loving the setup,

I'm just about to put some water in my predator tank.
Unfortunately my tank was given to me before I knew anything g about overflows an drains etc.
So mine is pretty ghetto, but it should work well enough.
Aim is to have a healthy miniatus grouper(coral trout)
As well as a lionfish maybe. Love the idea of chucking in a few yakkas
I'll have to grab a few next time I'm out chasing billfish.
inconvieniencing marine life is my obligation
Narrow 6ft mixed reef and LED build
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Re: setting up 6ft marine predator tank

Postby biglil_blue » Thu 08 Mar, 2012 10:51 pm

I am amazed nobody has said anything yet but it should be noted that releasing captive kept fish back into the wild is highly frowned upon. Who knows what diseases could be released into the wild that the fish pick up while kept in a poorly maintained tank.

Bit more care in the future please

Also, how long do you expect to keep a 30cm Snapper in a tank this size? Snapper are highly active fish and like Tangs, need plenty of room to move. Way to small for one snapper let alone more IMO
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Re: setting up 6ft marine predator tank

Postby wawazza » Thu 08 Mar, 2012 10:59 pm

I come home from work one day and my mates had been out billfishing and emptied 4 yackas into my tank, they schooled together and jut swam endlessly... They ended up loosing a film of slime, you could see it slowly coming off them, needless to say they ended up in the freezer...
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Re: setting up 6ft marine predator tank

Postby reelmagic_reefer » Mon 12 Mar, 2012 4:10 pm

biglil_blue wrote:I am amazed nobody has said anything yet but it should be noted that releasing captive kept fish back into the wild is highly frowned upon. Who knows what diseases could be released into the wild that the fish pick up while kept in a poorly maintained tank.

Bit more care in the future please



yeh i agree mate, however i doubt anyone would be releasing yakkas, id say theyd end up as swim/skip baits just like any other livey that doesnt survive a LBT.
harsh but true.

and yeh a snapper will grow to big for most tanks very quickly
inconvieniencing marine life is my obligation
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