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Old 03/11/2018, 02:02 PM   #1
Bent
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Anyone know the mag and iodine levels in IO?

Iím out of salt and Iím considering switching off RC. It seems like the alk is always really high.

I know others have run IO without a problem, I just am unsure what these users were/are dosing.

If I switch will I need to do anything else besides fill my kalk stirrer q2 weeks like I already do?


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Old 03/11/2018, 02:34 PM   #2
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When I used IO it would consistently measure Mag at 1110 ppm in a fresh batch of salt water. No idea about the iodine but I never dosed that.


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Old 03/11/2018, 05:16 PM   #3
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Quote:
Originally Posted by Sugar Magnolia View Post
When I used IO it would consistently measure Mag at 1110 ppm in a fresh batch of salt water. No idea about the iodine but I never dosed that.
Thatís concerning. Seems a touch low...

I donít want to end up dosing mag.


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Old 03/11/2018, 08:23 PM   #4
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Quote:
Originally Posted by Bent View Post
Thatís concerning. Seems a touch low...



I donít want to end up dosing mag.


Iíve used IO for years and while I donít regularly dose magnesium I do add 500ml of BRS magnesium mix to every 45 gallons of NSW I make. I use a DOS to change about 2 gallons of water every day in my 280 gallon system and this keeps my magnesium stable at about 1320.


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Old 03/11/2018, 10:00 PM   #5
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Iíve used IO for years and while I donít regularly dose magnesium I do add 500ml of BRS magnesium mix to every 45 gallons of NSW I make. I use a DOS to change about 2 gallons of water every day in my 280 gallon system and this keeps my magnesium stable at about 1320.
Dangit.

I guess Iím going to keep using reef crystals then.


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Old 03/12/2018, 03:09 PM   #6
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Yes, you do have to dose magnesium to keep the level within range. I kept mine up around 1350 ppm in order to keep my calc and alk within range.


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Old 03/12/2018, 11:41 PM   #7
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Chexk out HW Marine Mix or HW Reefer. Good balanced salts and not way high on alk. I just dont do t get why any reef salt needs to be over 10dkh.


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Old 03/13/2018, 02:46 AM   #8
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IO used to be at 1100, they upped that to 1300 somewhere aroung 2010

I use IO and my Mg is consistently at the 1300 range. I do 7-10% water changes weekly.

Last time I tested fresh mixed IO it was 1290. I mix my salt for a day before I use it.
NSW is 1280 that should be your target.

These readings also coincide with multiple tests here........scroll down to post 61
http://www.reefcentral.com/forums/sh...2554264&page=3

I don't concerm myself with iodine levels as I can't test for it and tests like Triton aren't very clear as to what form is being measured.

There is also an article by RHF on iodine that may be helpful to you.
https://www.advancedaquarist.com/2003/3/chemistry


There are some Iodine readouts in post #106 of the same RC link I provided above as well as some other trace elements.

There are also no legitimate test that have proven dosing Iodine does much of anything for corals.


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Old 03/13/2018, 04:18 AM   #9
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As others have said, IO regularly mixes around 1200 -1300 mag. Alk is slightly elevated around 9 - 10, and CAL is always around 410 - 440.

I test every new batch @ 1.026. I like to match my display so it doesn't throw off 2 part dosing when doing a WC.


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Old 03/13/2018, 05:50 AM   #10
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I'm not suggesting you should go this way, but just as an option... if you like the otherwise high levels of RC there are ways to lower the alk. Research muriatic acid if you're interested.


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Old 03/13/2018, 05:57 AM   #11
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I'm not suggesting you should go this way, but just as an option... if you like the otherwise high levels of RC there are ways to lower the alk. Research muriatic acid if you're interested.
Very simple to use. I use it on IO as I don't like the high ALK.

It's a simple conversion. Amount you want to drop DKH by x water volume x .123 = amount to use in ML.

Example:
NSW @ 10DKH you want to drop to 8.5(1.5DKH drop)water volume @ 80G(my tank for example)

1.5 x 80 x .123 = 14.76ML of muriatic acid. I would round up to 14.8.

Only thing to consider if your going to go this route, make sure you mix well as it will lower the PH quite a bit. I mix for an additional day and the PH comes back up to normal.


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Old 03/13/2018, 08:36 AM   #12
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Thanks for all the info guys and gals I may just switch after all.

The only reasons I’m worried about iodine levels are that I’m getting a rather large mantis tommorrow, and grumpy crab being the size he is.

I’m not sure how much iodine those two animals will need, but I’m sure it’s no coincidence that grump will only molt directly after a water change.

So between him and a large stomapod, I am somewhat concerned about them stripping the iodine out.


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Old 03/13/2018, 10:38 AM   #13
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I tested a fresh batch of IO three days ago. 1.026 at 78 temp and Mag was 1215, ALK was high 11 DKH and Cal was 480.


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Old 03/13/2018, 11:35 AM   #14
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I tested a fresh batch of IO three days ago. 1.026 at 78 temp and Mag was 1215, ALK was high 11 DKH and Cal was 480.
Dang thatís almost as high as RC...


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Old 03/13/2018, 01:15 PM   #15
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Quote:
Only thing to consider if your going to go this route, make sure you mix well as it will lower the PH quite a bit. I mix for an additional day and the PH comes back up to normal.
Likewise, Alk adjusts down without adding any supplements... just get it to aerate and it will go all ideal on you. Which if your tank's alk is too low may not be a good thing.


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Old 03/13/2018, 08:10 PM   #16
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Iím not sure if I can post this but hereís a link that has all the parameters for the major salt brands.

https://www.thatpetplace.com/salt-mix-guide

Iím not saying itís accurate, but itís interesting to look at.


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Old 03/14/2018, 05:51 AM   #17
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Quote:
Originally Posted by Empty Bottles View Post
Iím not sure if I can post this but hereís a link that has all the parameters for the major salt brands.

https://www.thatpetplace.com/salt-mix-guide

Iím not saying itís accurate, but itís interesting to look at.


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Honestly, I wouldn't trust that place one bit! I liken them to a middle of the road LFS. Many untrained "young" people working there that will sell you anything no questions asked. Case in point, last time I was there I saw them selling someone 4 baby yellow tangs for his 80G cube. With the salesperson telling the new owner that "these fish don't get very big. They will only grow to the size of the tank".

Besides we already have are own thread of salt parameters posted by hobbyists for hobbyists.

http://reefcentral.com/forums/showthread.php?t=2554264


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