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ptreef
07/25/2017, 07:55 AM
I have a larger system and dose about 325-350ml/day....
that gets me about 6 days of dosing before empty.

I built a similiar system sans the sensors and it holds 5L and lasts about 2 weeks before needing refilled!

vhuang168
07/25/2017, 08:35 AM
You can purchase an FMM and 2 optical sensors to have the same low level alert as the ddr.


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ptreef
07/25/2017, 08:40 AM
Oh yeah, i can drill a hole low and mount! Doh!

I was thinking i couldn't mount inside as i had plastic jugs not acrylic.
wish FMM had 6 ports!
2 for alk & cal each, 2 for the ATO and one for a low sump and High sump!

FullBoreReefer
07/25/2017, 10:18 AM
Alk and Calcium, one each, a "low level" =2

And one for your ATO, "low level". =1


That would be three total. And leave an extra port. Then use float switches and a BoB for your sump/skimmer cup/etc.

vhuang168
07/25/2017, 10:20 AM
Oh yeah, i can drill a hole low and mount! Doh!

I was thinking i couldn't mount inside as i had plastic jugs not acrylic.
wish FMM had 6 ports!
2 for alk & cal each, 2 for the ATO and one for a low sump and High sump!



The new optical sensors available separately come with magnetic mounts.


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ptreef
07/25/2017, 11:00 AM
nice. good to know!

ptreef
07/25/2017, 11:18 AM
looks like the
os-1 is drill a hole
os-1-m is the magnetic mount!