liverock bleaching

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19 Dec 2007 01:02 #1 by pierce (pierce)
liverock bleaching was created by pierce (pierce)
:( HI the liverock in my tank seems to be bleaching ie:whiteing it,s going from purple to white is this an infetion of some kind i have heard white spot wich i had a touch of in the tank can leave spores on the rock but i thought you could not see that with the naked eye i did tests last nigt and the results were.
nitrate-30-40
nitrite-0.1
ph wide range -7.5-8.00
phosphate-0.5
calcium-490 -not sure i did this test right 1st time using salifert test kit:unsure:

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19 Dec 2007 23:46 #2 by Darkrin (Damien Kane)
Whats your alkalinity? And Magnesium levels?
did you test for these?

It still amazes me how often Magnesium is over looked by marine keepers. MAG levels should be kept at 1500ppm.
Calcium 450 ppm, Magnesium 1500ppm..3 Times more important
Magnesium is used in the growth of everything in your tank, from your Coraline algae right through to your fish. It also stabilizes your PH.
Your PH, for me, is too low.. i suspect your magnesium is low and ALK too, both work side by side.
Raise your Alk, Mag levels and your coraline algae should start to use your nice calcium levels to grow again..

Let me know if this helps and if your testing for ALK and
MAG.

Damien

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20 Dec 2007 01:07 #3 by pierce (pierce)
Replied by pierce (pierce) on topic Re:liverock bleaching
Darkrin wrote:

Whats your alkalinity? And Magnesium levels?
did you test for these?

It still amazes me how often Magnesium is over looked by marine keepers. MAG levels should be kept at 1500ppm.
Calcium 450 ppm, Magnesium 1500ppm..3 Times more important
Magnesium is used in the growth of everything in your tank, from your Coraline algae right through to your fish. It also stabilizes your PH.
Your PH, for me, is too low.. i suspect your magnesium is low and ALK too, both work side by side.
Raise your Alk, Mag levels and your coraline algae should start to use your nice calcium levels to grow again..

Let me know if this helps and if your testing for ALK and
MAG.

Damien

cheers darkin i wasn,t testing for magnesium i will do a test and let you know thanks for the input

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23 Dec 2007 15:00 #4 by pierce (pierce)
Replied by pierce (pierce) on topic Re:liverock bleaching
sorry for getting back so late darkin.work as been hetic as is everyones i expect before christmas.Just to let you know i brought a sample of water down to the lfs for testing everything is fine with the water but they don,t check for magnesium or calcium and i think i was reading the salfin tests wrong.I am going to confirm the readings with paulm and kireon as i think they use these all the time.When i explained what was happening in the lfs they suggested putting iodene in the tank and it sould improve in a week or so.Thanks again for your advice its great to know theres help only a click away.

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24 Dec 2007 18:15 #5 by Darkrin (Damien Kane)
pierce wrote:

Just to let you know i brought a sample of water down to the lfs for testing everything is fine with the water but they don't check for magnesium or calcium


Does your LFS do marines?
Strange that they don't test for Mg and Ca:huh:

Adding iodine when not testing the levels, can cause you more problems, as your corals don't like elevated levels of this element!!
Get Keiron to test your ALK levels, your Ph is too low, did you mention that to your LFS???

Damien.

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24 Dec 2007 22:40 #6 by pierce (pierce)
Replied by pierce (pierce) on topic Re:liverock bleaching
Darkrin wrote:

pierce wrote:

Just to let you know i brought a sample of water down to the lfs for testing everything is fine with the water but they don't check for magnesium or calcium


Does your LFS do marines?
Strange that they don't test for Mg and Ca:huh:

Adding iodine when not testing the levels, can cause you more problems, as your corals don't like elevated levels of this element!!
Get Keiron to test your ALK levels, your Ph is too low, did you mention that to your LFS???

Damien.

He tested for ph etc.I checked with paulm and tested the calium-magnism myself all is well fish are good etc it might be just an infection on the rock but he said he would come down and have a look anyway

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