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Live rock turing white
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mr.elcajon
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Joined: 20 Mar 2009

PostPosted: 2009.03.20(Fri)0:59    Post subject: Live rock turing white Reply with quote

OK so my tank has been runnin for about a year now. I pretty much got this saltwater idea down. I do water changes twice a month. I'm using a two part buffer system. Plus some phytoplankton, and coral excel. I have plenty of water flow, I turn over 500 gph on a 72 gallon tank. So my problem is my live rock is turnig white. I'm still producing good coraline algae on the glass ( so far). what could be the problem? Heres some up to date specs of the tank.

salinity-1.023
nitrite-.1*
nitrate-50 ( but tested using a high range scale)*
pH-8.6*
DKH- 2.0 ( for the KIT this was the correct level)
ammonia-.25 *

these (*) seem a little high.
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Tigerissey
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Joined: 01 Sep 2006
Location: Lancashire - UK

PostPosted: 2009.03.20(Fri)4:04    Post subject: Reply with quote

Can I ask what test kits you are using??
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FloridaBoy
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Joined: 04 Jul 2004

PostPosted: 2009.03.20(Fri)10:08    Post subject: Reply with quote

Welcome to the forum, sorry you are having problems.
You should certainly not be seeing any ammonia in a one year system! I am also wondering why you are showing a nitrite reading and that high nitrate reading. Sounds like something is out of whack. I don't want to advise you until you verify your all your tests. Before you do anything, take your water to a local marine retailer and have them test it just to verify your findings. Let me know what they come up with. Caution; do not delay on this, if you have fish in there the ammonia issue makes this URGENT.

After you verify the tests you can start by providing a full description of your setup; filtration, substrate type and depth, skimmer, livestock, etc. so I can properly advise you.
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mr.elcajon
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Joined: 20 Mar 2009

PostPosted: 2009.03.20(Fri)20:35    Post subject: Reply with quote

OK, well my LFS, will not do water tests. idk why they won't. so ima do another right now. thinkin that maybe I mest up. NEW test kit. so ima try again. ill repost with all the info. after I test
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mr.elcajon
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Joined: 20 Mar 2009

PostPosted: 2009.03.20(Fri)22:18    Post subject: Reply with quote

OK so I did my tests a again. and their pretty much the same, some just a little lower. so here is everything for the tank.

-I'm using a euro reef protien skimmer, its plenty big enough. I post a pic.
-Aqua chill chiller 1/3 HP
-Lights- dual satellite 48 in. , dual daylight 6700k- 10000k
dual actinic 420n/m - 460 n/m
about ten hours of light

-75-80 lbs of live rock
-I'm using sand as a subsrate ( I heard that this is no good?)
- 1 powerhead and wavemaker


So heres the specs of the water. But ima look for a LFS that will test my water.

pH- still 8.6
Nitrate- 20 ( scale on test goes 0-50)
Nitrite-.1 (scale goes 0, .05, .1, .2, .5, 1)
Ammonia-.25 (scale goes 0, .25, .5,1, 2.5, 5, 7.5)
Salinity- 1.022

The Test Kit I'm using is the Marine Lab Red SEA Master Kit.

I'm still waiting for a calcium and magnesium test kit



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I now have a filter bag instead of the water trickle. old pic.
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Tigerissey
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Joined: 01 Sep 2006
Location: Lancashire - UK

PostPosted: 2009.03.21(Sat)7:55    Post subject: Reply with quote

If you tell us your location, perhaps other forum members can come up with an lfs that will test your water.

The majority of reefers I have spoken to will only use salifert test kits as a lot of other brands appear to very unreliable. I know from another forum that api master salt kit reads higher, this is also possible with the red sea test kits.

As Florida boy says, as a matter of urgency, you need to get your results verified by another make of test kit and preferably salifert.
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mr.elcajon
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Joined: 20 Mar 2009

PostPosted: 2009.03.21(Sat)21:46    Post subject: Reply with quote

so I might have found out what was wrong. my sump looked gross, and smelled like @$$. big mistake. so I cleaned it thouroughly, hoping the levels will drop soon. Still any ideas on why my live rock is turnig white, let me know. thnx
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Funky Fish
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Joined: 22 Jul 2006
Location: Dublin, Ireland

PostPosted: 2009.04.25(Sat)4:46    Post subject: Reply with quote

Running activated carbon should remove any bad smells and take out some of the excess organics in your tank. I would recommend using it if you are not already.
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MarkLehr
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Joined: 09 Dec 2004
Location: Louisville, KY

PostPosted: 2009.04.25(Sat)7:23    Post subject: Reply with quote

Just a thought...

Rock turning white could the the settling of a precipitate. Have you touched the rock to see the texture of the white areas?
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Tigerissey
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Joined: 01 Sep 2006
Location: Lancashire - UK

PostPosted: 2009.05.05(Tue)20:23    Post subject: Reply with quote

To add to what Mark said.

Have you tested Calcium and Magnesium yet, if Calcium levels are too high, this is known as supersaturation (over 500ppm). The calcium can precipitate out and may be what you are seeing on the rocks.
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Tina
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