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Author Topic: new 850l tank  (Read 4253 times)

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Offline ChrisCartwright

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new 850l tank
« on: April 26, 2015, 01:55:45 PM »
Hi i have got a 850l tank I've currently got live rock live sand the levels are 0 nitrate nitrate is nitrates 5ppm I've added the CUC about 3 days ago and the levels are still the same would it be ok to go and add 2 chromis?

Offline TheDOdblG

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Re: new 850l tank
« Reply #1 on: April 26, 2015, 09:48:15 PM »
Can't really say based off the information you gave.  How long ago did you set up your tank? What's the temperature, what's the salinity?  When I set my 44 gallon (~167l) tank up all those years ago, I threw in a small dead shrimp to get the cycle going.  The nitrates shot up, then after so long they dropped off to zero that's when I felt confident I could start upping the bioload, so I then added a CUC followed by a few fish and corals. After a few more weeks of testing the water, I added some more fish and corals until I got to where I was happy with the amount of livestock.  Took a few months in total to get there, but I didn't loose anything...

Offline ChrisCartwright

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Re: new 850l tank
« Reply #2 on: April 26, 2015, 11:08:46 PM »
My salinity is 25
Temp 25 goes to 25.5 with halide
Tanks was setup 4 and half weeks ago I've monitered ammonia spike nitrite and finally nitrate ammonia and nitrite are 0 nitrate 5.
The CUC are 2 shrimps 5 crabs 5 turbos they are doing great

Offline TheDOdblG

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Re: new 850l tank
« Reply #3 on: April 26, 2015, 11:15:05 PM »
Sounds like you're good to go.  You could probably get away with adding more than just two fish  ;)  Slow is good, but there's more to it than that, and you have a decent sized tank and I'm sure it can handle the load.  Sometimes when adding fish you want to add them together so they don't get too territorial (they can/will defend it, violently if needs be).  Try to decide all the fish you want to eventually add, then you can better determine the order to introduce them to your tank, as well as which ones you should introduce simultaneously.

Offline ChrisCartwright

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Re: new 850l tank
« Reply #4 on: April 27, 2015, 08:41:51 AM »
Ok thanks I'm planning on 3-4 yellow tangs and I now you need to add them simultaneously.
Any suggestions on how to lower my nitrates I've got quite a lot of bio balls in the systerm.

Offline TheDOdblG

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Re: new 850l tank
« Reply #5 on: April 27, 2015, 10:15:07 AM »
I'm not a fan of bioballs, I try to go more natural: More live rock/live sand. I have about 1.5 pounds of LR for each gallon of water.  Most of my rock didn't start out live to cut down on the cost, but once you add "dead LR" it will become LR.  I also have Chaeto in my sump which helps keep phosphates in check.  Anyway, to reduce NO3, the best method is partial water changes.  5ppm is however acceptable.

Offline ChrisCartwright

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Re: new 850l tank
« Reply #6 on: April 27, 2015, 02:55:54 PM »
Ok thanks I've just added 3 chromis.
What do you think would be best to take the bio balls out I want my nitrates 0 as im planning on doing a reef in the future
I've got around 90kg of lr rock some in the sump and rest in the tank
« Last Edit: April 27, 2015, 02:58:41 PM by ChrisCartwright »

Offline TheDOdblG

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Re: new 850l tank
« Reply #7 on: April 28, 2015, 09:49:41 AM »
I would get rid of the balls (but again, that's my preference).  I would definitely get some Chaeto growing in the sump, and or some mangroves.

Offline ChrisCartwright

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Re: new 850l tank
« Reply #8 on: April 28, 2015, 10:11:50 AM »
I have got some chaeto coming this week along with caluarpa which should help bring the nitrates down to 0 they are not far of going to do a water change today then I'm going to do one every 2 weeks

Offline TheDOdblG

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Re: new 850l tank
« Reply #9 on: April 28, 2015, 10:24:47 AM »
There's an aggressive method to lowering nitrates by doing a water change in a slightly different way. I've done it in the past without any loss of life.

Offline ChrisCartwright

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Re: new 850l tank
« Reply #10 on: April 28, 2015, 11:19:29 AM »
I am only doing 20% water changes it's been over a week since I done my last water change.
I am going to use the chaeto and the caluarpa as my nitrates are 5 so should bring it down to 0

Offline TheDOdblG

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Re: new 850l tank
« Reply #11 on: April 28, 2015, 11:21:50 AM »
Sounds good, keep us posted

Offline ChrisCartwright

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Re: new 850l tank
« Reply #12 on: April 28, 2015, 11:51:33 AM »
I will do.
The chaeto and caluarpa should be with me in the next couple of days so I will let you now after 24hrs after putting them in.
Also how do you do your water changes when I do mine I have to turn everything of to do a change or would it be better to fill one end and take out the other?

Offline TheDOdblG

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Re: new 850l tank
« Reply #13 on: April 28, 2015, 05:57:38 PM »
I shut off my return pump and let the water settle (run out the overflow), then I siphon out a bucket of the old and refill with a bucket of the freshly made salt water.  If you do it simultaneously then you're actually wasting fresh saltwater because you'd be siphoning out some of what you just put in; you're not changing as much water as you would if you do it separately so it wouldn't lower the toxic stuff as much either. 

Offline ChrisCartwright

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Re: new 850l tank
« Reply #14 on: April 29, 2015, 08:12:41 AM »
I have done the water change i will test the water today.
I have got a little digital thermometer inside the tank so I have set that at ruffle 10%