CalMag+ in my reef tank?

[Grimreaperz]

Okay so at a local hydroponics store I saw they were selling this and am going to do some tests with it. It states it's only ingredients are Calcium Carbonate and Magnesium Carbonate (and water soluble mahnesium). However there was another version that also contained Nitrates/Nitrogen.

I am interested in starting to dose Nitrates. And am already dosing Calcium and Magnesium and iodine

Could anyone tell me if this will be bad to use due to refining process or has anyone tried it? I figure if this does work I get a Calcium/Mag in 1 for the Price I pay for just Mag.....and if I can get the nitrates to work too that would be a bonus.


But of course I always ask before I act. And research and test...i was going to make up a gallon of salt water at 1.024 check everything dose this per direction and see where I end up. That should give me a basic idea of how potent it is.

I live in BC but this is the break down that I could find online of the products. I also emailed them directly to ask. Anything you guys see I should be concerned About?

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[bertoni]

I wouldn't use it. Those chemicals are almost entirely insoluble, so they effectively are just fine sand. If the chunks are big enough, they might work well in a calcium reactor. The pH needs to be down below 7 or so to dissolve them.

 

[Grimreaperz]

I wouldn't use it. Those chemicals are almost entirely insoluble, so they effectively are just fine sand. If the chunks are big enough, they might work well in a calcium reactor. The pH needs to be down below 7 or so to dissolve them.

It's a liquid though like Aquavitro... i may still test on a 1g jug to see what it does to the parameters just wondering if any of those elements are concerning...it doesn't contain copper so that's a plus

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[bertoni]

If it contains calcium carbonate and magnesium carbonate, it might be very fine sand, but it will settle unless it's extremely dilute, on the order of a a few ppm. The label does say 5% calcium, but I don't believe it's all soluble in a small volume of water. The product is designed for use in freshwater solutions, where it will dissolve very slowly as water is replaced or plants consume the calcium and magnesium.

 

[Grimreaperz]

If it contains calcium carbonate and magnesium carbonate, it might be very fine sand, but it will settle unless it's extremely dilute, on the order of a a few ppm. The label does say 5% calcium, but I don't believe it's all soluble in a small volume of water. The product is designed for use in freshwater solutions, where it will dissolve very slowly as water is replaced or plants consume the calcium and magnesium.

Yeah I'll probably just use it in my garden ... I realized that's is Bicarbonate we want not carbonate. Dang would have been awesome!

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