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04-08-2008, 07:14 PM
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#1 (permalink)
| | Bristle Worm
Join Date: Jun 2006 Location: Texas Age: 40
Posts: 140
Karma: 49
 |  Magnesium supplements
I was at Kroger's today and getting Epsom salt. I found something interesting and thought I would ask. They sell magnesium supplements which I saw was magnesium oxide. My question, why wouldn't we add this instead of Epsom salt which is magnesium sulfide? Wouldn't the magnesium oxide be better for the tank? | 
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04-08-2008, 07:39 PM
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#2 (permalink)
| | Gigas Clam
Join Date: Jan 2008 Location: Columbus, Indiana Age: 23
Posts: 857
 
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Epsom Salt is tried & true, I don't know the chemistry behind the difference in these two (SOMEONE probably will!) but I do know Epsom Salt works well so why bother? _________ 55 gallon slowly growing reef aquarium, 85 lbs. live rock, 2 1/2" sandbed, 1 False Percula Clown, 1 Sixline Wrasse, Tetratec PF500 filter, 2 110 watt URI Super Actinic VHO actinics, 2 250 watt metal halides with Reef Optix 2 reflectors powered by Blue Wave 3 ballast, born 1/3/08 My Tank Thread My Tank Video  | |
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04-08-2008, 08:29 PM
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#3 (permalink)
| | Bristle Worm
Join Date: Jun 2006 Location: Texas Age: 40
Posts: 140
Karma: 49
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Because Epsom salt adds sulfur. I wouldn't think we would add sulfur unless we needed to. Magnesium oxide on the otherhand wouldn't add the sulfur.
It was just a question. Seemed to make sense to me to avoid adding anything like sulfur that wasn't needed. | |
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04-09-2008, 03:33 AM
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#5 (permalink)
| | Giant Squid
Join Date: Nov 2006 Location: Elizabethtown, IN Age: 40
Posts: 3,089
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_________ Scott 265g (Peninsula)
3x400w MH's, 4x95w Actinics, AAT Lunar Lights, OM 4-way CL, PM Bullet 3 Skimmer, DelZone Eclipse 1 O3 Generator, WavySea Plus for return, AAT Kalk Reactor, KNOP Ca Reactor w/PM Second Chamber, TradeWinds Chiller, ACIII Controller, Oceanus ATO, PM PO4 Reactor, 75g Sump, 30g Fuge Born March 5, 2007 My 265 Gal. Tank Thread " REAL TIME TANK STATS "   | |
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04-09-2008, 05:42 AM
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#6 (permalink)
| | 3reef Sponsor
Join Date: Aug 2006 Location: Va/Ct
Posts: 3,668
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Sulfides Chlorides sulfates ??? Beats the hell out of me I have been using Epsom Salts for over 40 yrs and never a problem .. I have never heard of anyone having a problem with the use of Epsom Salts I have used all of them and I have yet to see any differences at all. I simply stayed with Epsom Salts. _________ Some of the world's greatest feats were accomplished by people not smart enough to know they were impossible (Doug Larson) | 
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04-09-2008, 05:38 PM
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#7 (permalink)
| | Flamingo Tongue
Join Date: Mar 2008 Location: Staten Island, NY Age: 29
Posts: 101
Karma: 21
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Adding epsom salts to my mental list of buffers...hehe. I'm mining this forum for your posts Tangster!
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72g Early-Stages Reef...
20g planted freshwater Guppy Tank | |
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04-10-2008, 06:45 AM
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#8 (permalink)
| | Bristle Worm
Join Date: Jun 2006 Location: Texas Age: 40
Posts: 140
Karma: 49
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Okay. So, Epsom salt it is. I was just looking minimum changes to the system. Will the Epsom salt cause the sulfur smell in my protein skimmer? | |
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04-10-2008, 08:10 AM
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#9 (permalink)
| | 3reef Sponsor
Join Date: Aug 2006 Location: Va/Ct
Posts: 3,668
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Quote:
Originally Posted by bawest  Okay. So, Epsom salt it is. I was just looking minimum changes to the system. Will the Epsom salt cause the sulfur smell in my protein skimmer? |
No its the same stuff most package as reef magnesium.. I have used it since before many here where born and I was a young kid and I have never heard of any one smell it .. Think about it would old Granny soaked her feet and a pan of sulfurs smelling like rotten eggs LOL If anyone ever wants 5 10 25 to 50 pound bulk bags of it P/M me Have Kalkwasser also in bulk if needed ? And calcium chloride .. | |
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04-11-2008, 05:20 AM
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#10 (permalink)
| | Astrea Snail
Join Date: Oct 2007
Posts: 62
Karma: 2
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I was having a problem with low Mag and Ca, used ES, the Mag is over 1300 and my Ca has been stable for a week now so far so good. _________  | |
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