How to use third channel on dosing pump

[aaron86]

OK so I picked up three channel dosing pump I plan on dosing calcium and alkalinity but on the third channel I'm not sure if I should do vinegar or magnesium any input would be appreciated


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[brisco]

I use it for Mag...but does very little

[Scythanith]

3-Part Balling System from Tropic Marin keeps my pump heads busy.

[aaron86]

I'm already using Reefsupply two part plus their mag


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[Potatohead]

It will be better suited for vinegar, you can dose mag manually since you only really need to do it every few weeks.

[davej]

It will be better suited for vinegar, you can dose mag manually since you only really need to do it every few weeks.

Agreed