MAGNESIUM DOSING

[YandyRiv]

hey guys i have a question regarding the proper way to dose magnesium. I have a 32 biocube with a magnesium level of 920 using a ted sea magnesium pro test kit. I purchased a bottle of brightwell magnesium according to marinedepot magnesium calculator i would have to add 380 ml of magnesium. I figured i couldnt add this amount at once what will be the proper way of doing it?

i was doing 12 ml per day i am now at 1200 after testing the water again today. Was i adding too much to fast can this have a negative impact on my hammer corals?

my paremeters are

ph 8.0
Alkalinity 10
Calcium 420
Nitrate 5
Nitrite 0
Amonia 0
Magnesium 1200

 

[KrisReef]

That doesn’t seem unreasonable. Any negative reactions from the sea life?

 

[chipmunkofdoom2]

It's very unusual for magnesium to be that low. Magnesium is consumed very slowly compared to alkalinity and calcium. This is likely either testing error or a problem with your salt mix/source water. I would get another test kit and verify the results. There have been lots of reports on the forum of inaccuracy with the Red Sea magnesium tests.

 

[highest_tides]

My understanding (very basic understanding) is you don't dose over 100 ppm in a day.

 

[Ryan Wolf]

Your magnesium shouldn’t really need to be dosed — just do regular water changes with quality salt and it’s 3 x’s calcium. Get it up using brs calculator and then water changes. Or that’s the hope!