Low magnesium with dd h2ocean

Rory · #1 04-28-2014, 10:58 PM

Hey all! New to can reef and pretty new to the reef hobby. I've gone through a couple buckets of dd h2ocean salt and I was testing 1200 - 1100 for magnesium. Anyone else with the same experience? I would switch but the only other salt brand the lfs carries is Red Sea coral pro and from what I've read on forums, there doesn't seem to be too many fans!

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Rory · #2 04-28-2014, 11:10 PM

Sorry. Realized I posted in the wrong forum!!

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mrhasan · #3 04-28-2014, 11:59 PM

Quote:

Originally Posted by Rory

Hey all! New to can reef and pretty new to the reef hobby. I've gone through a couple buckets of dd h2ocean salt and I was testing 1200 - 1100 for magnesium. Anyone else with the same experience? I would switch but the only other salt brand the lfs carries is Red Sea coral pro and from what I've read on forums, there doesn't seem to be too many fans!

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I also get something within that range. Mixing the bucket helps to boost around 50ppm max.

gqlmao · #4 04-29-2014, 03:40 AM

The bucket I am using has a magnesium level of 1200, first time this has happened to me, usually they are around 1350.

Rory · #5 04-29-2014, 03:42 AM

Hmmm... Maybe just a bad batch!?!

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mrhasan · #6 04-29-2014, 04:03 AM

Quote:

Originally Posted by Rory

Hmmm... Maybe just a bad batch!?!

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I wouldnt say thats a bad batch. Trust me

Myka · #7 04-29-2014, 04:04 AM

I use H2Ocean for the last few years and the buckets have always tested around 1200 ppm. I wouldn't change salt because of this. I just buy the 4kg tub of Fauna Marin Magnesium chloride and add 180 mL to eacg 15-gallon bin of saltwater I mix up. This boosts it to about 1400 ppn which is enough to keep my tank at 1350-1375 ppm without dosing. Works for me.

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Rory · #8 04-29-2014, 04:20 AM

I think I may try that, cause that is the really the only concern I have with the salt. Thanks!

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gqlmao · #9 04-29-2014, 02:04 PM

Yes, I just boost my mag levels with extra magnesium chloride/sulfate

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Myka · #10 04-30-2014, 03:47 PM

Fwiw, Randy Holmes-Farley suggest a 5:3 ratio of Mg chloride to Mg sulfate.