IO vs. Reef crystal

Hi,

Does any know what's different between the two?

Thanks,
Loc


If I remember reef crystals has calcium, alk and mag added and I/o is just plain ole saltwater. I've used I/o for years and prefer it so I can control my dozer better.


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Thanks every one, does anyone have the alk, ca and mag reading for reef crystal?
Depends on SG. Marine Depot or BRS have a picture of the chart that's on the package.

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Brs has a video that has the parameters after mixing for most salt brands.


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