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02/15/2020, 03:48 PM | #1 |
Registered Member
Join Date: Feb 2020
Posts: 25
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High Magnesium
Hello everyone. Sorry for my basic sounding questions. Ive never had a reef tank before and this is a pretty steep learning curve. But its fun learning!
I have a recently new 80gallon tank, about 6 months. Ive cycled and added my first chromis. I originally had 5 snails as well. All the snails died within a few days of adding to the tank. After doing some research, I've discovered high magnesium could be the cause. I tested for magnesium and sure enough, it tops the scale on the salifert magnesium test kit. So now ive tried to figure out where the magnesium is coming from. I tested my RODO water, 0 magnesium. Then I mixed fresh RODI water with FRITZ Pro Reef Pro Mix. I tested the fresh water, and again well over 1500ppm on the magnesium. Probably closer to 2000ppm if I had to guess. So my only guess at this point is, its coming from the salt. Has anyone had these same results with Fritz salt? Other than snails, is there a problem with being this high in magnesium? And finally, how do i lower this magnesium? Again, thank you all so much. This has been a steep learning curve and my wife is losing faith! With your help I think I can do this! |
02/15/2020, 06:53 PM | #2 |
Registered Member
Join Date: Nov 2002
Location: Miller Place, NY
Posts: 7,206
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Change your salt mix.
Parameters for major elements should be listed on the container. If the test exceeds the limits of 1 syringe use another & add up the total.
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250 gallon mixed reef, 2 Reefbreeder's Photon V 2, Deepwater BLDC 12, DAS EX-3 Skimmer, MTC mini cal, 2-3/4" Sea Swirls, Aquacontroller & 6 Tunze pumps. |
02/15/2020, 07:42 PM | #3 |
Crab Free Zone
Join Date: Sep 2017
Location: Ontario, Canada
Posts: 2,906
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Mix up dry salt mix a bit to ensure MG and others have not settled.
Then test your MG. Make sure you draw the reagent past the 1ml line, then slowly depress to the 1 ml line. May be testing error, yes high mag can slow snails, but is rare. Snails must be slowly acclimatized, or they die. |
02/15/2020, 07:53 PM | #4 |
Registered Member
Join Date: Feb 2020
Posts: 25
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So I mixed up the bag pretty good before I put it in the water. The bag does say enhanced magnesium. Maybe they mean it! What salt do you all recommend with a little more consistency?
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02/15/2020, 07:56 PM | #5 |
Registered Member
Join Date: Feb 2020
Posts: 25
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I also took a sample of my water to the LFS and he confirmed it’s about 2000ppm of milligrams.
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02/15/2020, 08:17 PM | #6 |
Registered Member
Join Date: Jul 2011
Location: PHILLY
Posts: 561
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I use instant ocean. $35 for a 200gal box can't beat that price and its been pretty consistent.
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02/15/2020, 09:38 PM | #7 |
Registered Member
Join Date: Feb 2020
Posts: 25
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I’ve heard good things about instant ocean. It’s way less than Fritz. Think I’ll give it a shot.
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