APEX and BRS dosing pumps HELP.

Bio14guy

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So I went ahead and got 2 BRS Dosing Pumps Now that they are installed Primed and ready to go I just need to program my apex to run them. What is everyone else using? I need to run them for 10 mins once a day.

Thanks.
 

Widdy

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That's probably a bad idea as it'll cause spikes to your parameters. But if you still want it that way then, for each outlet your pumps are plugged into, the programming would be:

Fallback Off
If Time 8:00 to 8:10 then ON

and

Fallback Off
If Time 8:10 to 8:20 then ON

If you're running a pH probe, you can add "If pH > 8.20 then OFF" or whatever you prefer as maximum pH level you want for your tank; in case too much alk is dosed.
 

viplok

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if you have apex might as well break it up into 3-4 dosage, so it wont have a huge spike.


"If pH > 8.20 then OFF" is a must!!!!
 

cryptics

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I would split it up but here is for 10 minutes at 8am

Fallback OFF
OSC 480:00/010:00/950:00 Then ON

I would recommend 10 doses of 1 minute each

Fallback OFF
OSC 000:00/001:00/143:00 Then ON

Running it like this

Fallback Off
If Time 8:00 to 8:10 then ON

Will actually run for 11 minutes because it turns on at 8am and turns off when it it hits 8:11. If you want 10 min without using OSC it would have to be

Fallback Off
If Time 8:00 to 8:09 then ON
 

cryptics

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Ohh and make sure the BRS pumps are in slots 4 & 8 on the EB8. The pumps are low voltage and could stay on even if the outlet says off in slots 1-3 or 5-7.
 

Bio14guy

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Ok now everything is all set up and I have just a basic program in and running but for some reason the Cal will not shut the pump off at 7:50am. I had to manually turn it of this am. The Alk is fine and they are both in plug 4 and 8 in the EB8. :(. Any ideas?

Fallback OFF
If Time 07:40 to 07:49 Then ON
If Time 07:50 to 07:39 Then OFF
 

viplok

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If Time 07:50 to 07:39 Then OFF <- dont think you need this


try this see if it helps


Fallback OFF
set off
If Time 07:40 to 07:49 Then ON
 

bkstang

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Apex - doser calculator

Try this calculator. It's very easy to use. It is very easy to split doses. I would dose alk at night and cal during the ay. This is what most people do.
 

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debbythefowler

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10 minutes? I have a 220gallon tank - I run Alk for 45 seconds (total) and Ca for 20

I am not SPS heavy, but really, 10 minutes? Educate me please!
 

bkstang

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Time doesn't really give the whole picture. It depends also on the solution you use and its concentration. You can make a really strong concentration and your dosage time will be cut significantly.
 

lnevo

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10 minutes? I have a 220gallon tank - I run Alk for 45 seconds (total) and Ca for 20

I am not SPS heavy, but really, 10 minutes? Educate me please!


Once per day? Or each dose?

OP asked for once a day...which is not the best way to go IMO. 10 minutes a day broken up over 24 hours would be 25 seconds per hour, probably closer to what you'd expect.
 
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