Multiple Programs for DOS system

[mfraembs]

Hey guys, I currently have two DOS systems installed on my tank. The first DOS is for strictly dosing Calc & Alk. The second DOS does an automatic 1 gallon water change every night.

My question is can I have my water change DOS continue its daily water change program while programing Feed C to do a 5 gallon water change manually?

Let me know if any of you know how to do this task.

Thanks,

Mike

[zombie]

I like to do virtual outlets for that instead.

First create a profile with your desired speed (250 if you want it done fastest). Set the per dose amount as high as it will let you (I think its 500ml), set the interval as low as it will let you (I think 360 seconds) and then set the number of doses to reach your desired volume.

Calculate the time this will take and then set the VO like below (ex 240 minutes)

WaterChange
Set ON
When On > 240:00 Then OFF


In the DOS advanced tab add

If Output WaterChange = ON Then profilename

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[mfraembs]

Thanks Zombie, I haven’t created virtual outlets at this point so I am unfamiliar. When I create the virtual outlet will it erase my daily water change schedule? If so do I just create an additional virtual outlet water change for my daily schedule? Appreciate the help!

[zombie]

Thanks Zombie, I haven’t created virtual outlets at this point so I am unfamiliar. When I create the virtual outlet will it erase my daily water change schedule? If so do I just create an additional virtual outlet water change for my daily schedule? Appreciate the help!

It will not erase your daily. The If output line goes in the advanced tab (gear icon in the wizard), which will "win" when its ON to run the on demand and when the VO is OFF the regular schedule will resume.

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