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- Oct 28, 2018
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I’m using Trident controlled dosing for alk and calcium but am planning to use the BRS doser for magnesium.
Just to get some idea I used the task wizard to see how Trident controlled dosing would do this assuming a target Mag of 1280, and using 40 ml of magnesium solution (BRS recipe) to get a 165 gallon and from Mg 1277 to 1280 (my Trident shows about 3 ppm drop per day).
The Trident plan was:
Trident control range 1230 - 1330 (+/- 50)
Alarm if Mg <1230 or >1330
If I try to emulate this using Apex traditional programming and just have it turn on dosing once my mag < 1270 and shut off if Mag is > 1310. These are arbitrary variances from Trident parameters since Trident will keep running the same volume when the Mg is at target but shuts off if high or if too low for safety.
Does this programming make any sense?
I used the reeftronic site to calculate 40 cc at 1.1ml per min over 24h.
Fallback OFF
Set OFF
OSC 000:00/001:31/058:29 Then ON
If Mgx9 > 1310 Then OFF
If Mgx9 < 1270 Then ON
I’ve not started dosing any mag yet so I could just start with half of the calculated amount and see how it goes. Open to suggestions.
Just to get some idea I used the task wizard to see how Trident controlled dosing would do this assuming a target Mag of 1280, and using 40 ml of magnesium solution (BRS recipe) to get a 165 gallon and from Mg 1277 to 1280 (my Trident shows about 3 ppm drop per day).
The Trident plan was:
Trident control range 1230 - 1330 (+/- 50)
Alarm if Mg <1230 or >1330
If I try to emulate this using Apex traditional programming and just have it turn on dosing once my mag < 1270 and shut off if Mag is > 1310. These are arbitrary variances from Trident parameters since Trident will keep running the same volume when the Mg is at target but shuts off if high or if too low for safety.
Does this programming make any sense?
I used the reeftronic site to calculate 40 cc at 1.1ml per min over 24h.
Fallback OFF
Set OFF
OSC 000:00/001:31/058:29 Then ON
If Mgx9 > 1310 Then OFF
If Mgx9 < 1270 Then ON
I’ve not started dosing any mag yet so I could just start with half of the calculated amount and see how it goes. Open to suggestions.