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Unread 04/06/2013, 09:17 AM   #1
tbopslt
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High Magnesium in New Tank

My tank is about a month and a half old. I am using Red Sea Coral Crystals and all of my tests have been normal or close to normal except Magnesium which is very high. I am using RODI water, and am not dosing anything. The only inhabitants I have are snails and a few Hermit crabs, Should i be concerned about the High Mg levels? What causes it, and what should I do to bring it down. Thanks

Temp - 79
Salinity - 1.025
Ammonia - 0
Nitrate - 0
Nitrite - 0
Calcium - 440-480
Alk - 8.4
PH - 8


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72G Bowfront, 15G Sump, 100 lbs Lv Rck, 80 lbs Live Sand, Coralife 120 Skimmer & 9w UV filter, Magdrive 1200 pump, 2 pendants (1-32 watt actinic bulbs &1-150 watt metal halide) each.

Current Tank Info: 72 Gallon Bowfont
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Unread 04/06/2013, 09:19 AM   #2
disc1
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I don't know. You kind of left that number out.


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Unread 04/06/2013, 09:21 AM   #3
bnumair
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What is mag reading? 1200 to 1400 are optimal readings but I have run tanks as high as 2100 with no ill effects. Some people run 1700 to 1800 to fight off algae.


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Water Quality: NO3 0,Phos 0,Cal 440,Alk 7.5,Mag 1300

"Reef Fast, You Crash, Reef Slow, You Pass" Mike's Reef 3:16

Current Tank Info: 350g DT,95g sump, 50g Frag tank, 4800gph return 4x Sea swirls. 6x AI Vega Color. 200# Pukani rock, dual recirculating skimmer, Biopellet, GFO Carbon rx's, Cal rx. Closed loop. 1.5hp chiller, genesis renew. Apex & RKE
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Unread 04/06/2013, 09:22 AM   #4
tbopslt
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Oops.

Its currently 1600 but has ranged between 1480 and 1600.


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72G Bowfront, 15G Sump, 100 lbs Lv Rck, 80 lbs Live Sand, Coralife 120 Skimmer & 9w UV filter, Magdrive 1200 pump, 2 pendants (1-32 watt actinic bulbs &1-150 watt metal halide) each.

Current Tank Info: 72 Gallon Bowfont
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Unread 04/06/2013, 09:23 AM   #5
tbopslt
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Posts: 41
I have a current outbreak of hair algae which seem to be getting better.


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72G Bowfront, 15G Sump, 100 lbs Lv Rck, 80 lbs Live Sand, Coralife 120 Skimmer & 9w UV filter, Magdrive 1200 pump, 2 pendants (1-32 watt actinic bulbs &1-150 watt metal halide) each.

Current Tank Info: 72 Gallon Bowfont
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Unread 04/06/2013, 09:25 AM   #6
disc1
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Quote:
Originally Posted by tbopslt View Post
Oops.

Its currently 1600 but has ranged between 1480 and 1600.
That's OK. I certainly wouldn't add any more mag, but you shouldn't have any problems at 1600.


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Unread 04/06/2013, 09:29 AM   #7
bnumair
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Yup like I said some people run it at 1700 to 1800 to fight algae.


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Water Quality: NO3 0,Phos 0,Cal 440,Alk 7.5,Mag 1300

"Reef Fast, You Crash, Reef Slow, You Pass" Mike's Reef 3:16

Current Tank Info: 350g DT,95g sump, 50g Frag tank, 4800gph return 4x Sea swirls. 6x AI Vega Color. 200# Pukani rock, dual recirculating skimmer, Biopellet, GFO Carbon rx's, Cal rx. Closed loop. 1.5hp chiller, genesis renew. Apex & RKE
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Unread 04/06/2013, 09:46 AM   #8
tbopslt
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Thanks all. Guess I don't have to worry about the Mg levels


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72G Bowfront, 15G Sump, 100 lbs Lv Rck, 80 lbs Live Sand, Coralife 120 Skimmer & 9w UV filter, Magdrive 1200 pump, 2 pendants (1-32 watt actinic bulbs &1-150 watt metal halide) each.

Current Tank Info: 72 Gallon Bowfont
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