Questions about using two part.

curator

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I am trying the two part system for the first time. I bought the set from Bulk Reef Supply and ran tests.A fter determining that Ca, Mg and Alk all need to be higher, I used the calculator on their website to determine dosages. I am adding the recommended doses split over two days and my question is: can all three suplements be added one after another?

I'm also curious why the kit comes with two plungers for the gallon bottles when there are three bottles.

Thanks,

John
 
You need to wait in between the Ca and Alk additives, most people do them a few hours apart, but I don't think you need to wait that long. Don't know on the Mg, but no more than 100ppm per day with the Mg stuff.
 
The mag is only added at the end of dosing the other two or only ever so often to increase levels, not daily.
 
Plus the Magnesium doesn't usually stay mixed; it settles so you have to shake it up before dosing it. Make sure you drip or add the alkalinity very slowly since just a little will spike your PH.

When doing it manually I add the alk at night after the lights are off and the PH is starting to drop and I add the Calcium first thing in the morning
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