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Old 03/12/2013, 07:04 PM   #1
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Join Date: Feb 2013
Posts: 51
Apex System Auto top off??

Hey guys / gals! Quick question. I picked up an Apex Controller System and was wondering if I still need my JBJ auto top off? I know the Apex (havent really gotten into it yet) can control pumps and sensors / floats. So can I set up a float switch to turn on and off a pump? If so I have a brand new JBJ auto top off for sale / trade. lol

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Old 03/12/2013, 08:25 PM   #2
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Join Date: May 2009
Location: Tulsa, Ok, USA
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i have Apex but i use Genesis system as my ato. i havent got into Apex to see what and how it can be done. Genesis does auto water changes and ato and refills ro/di water for me so i never paid attention to Apex for such control. maybe someone using one can chime on it. free bump to top.

Water Quality: NO3 0,Phos 0,Cal 440,Alk 7.5,Mag 1300

"Reef Fast, You Crash, Reef Slow, You Pass" Mike's Reef 3:16

Current Tank Info: 350g DT,95g sump, 50g Frag tank, 4800gph return 4x Sea swirls. 6x AI Vega Color. 200# Pukani rock, dual recirculating skimmer, Biopellet, GFO Carbon rx's, Cal rx. Closed loop. 1.5hp chiller, genesis renew. Apex & RKE
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Old 03/12/2013, 08:51 PM   #3
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I still use my 7 year old JBJ auto-top off in conjunction with my Apex Neptune. I use the Apex to turn off the ATO during feeding periods. I like the built in timer in the JBJ that only allows a limited top off pump run duration (although you could program in the time duration with the Apex). I suppose it is redundant now that I think about it, but the JBJ has been very reliable.

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Old 03/12/2013, 08:57 PM   #4
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Join Date: Dec 2012
Location: Portland, OR
Posts: 87
I use the Apex for ATO and like it. Mine is setup with an I/O breakout box that 2 floats (for redundancy) are hooked up to. I then control an outlet with an Aqua Lifter pump. I have an alarm setup if it has run too long, will shutoff if salinity drops, etc. Works like a champ - the weak link is the float switches.

"Don't tell fish stories where the people know you; but particularly, don't tell them where they know the fish." - Mark Twain
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Old 03/12/2013, 09:17 PM   #5
ltfw ntsw
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Location: midwest
Posts: 74
it can be done but if you already own an ato id use it to save some cash

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Old 03/12/2013, 09:24 PM   #6
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Location: Tampa, FL
Posts: 112
I do not have an apex but will some day. However, having redundancy or a backup in case something stopped working is not a bad thing considering you already own the JBJ.

Currently upgrading to Oceanic 180 with CL system.
Build Thread:

Current Tank Info: None at this time --- SELLING Vertex Illumina sr260
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Old 03/15/2013, 08:51 AM   #7
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So I take it It can be done. Since I already have both new in box I should just sell the JBJ and use the apex alone. Actually I'll probably use the JBJ for now since I have a ton of other things to figure out with the Apex the JBJ will make it a little simpler for now.
Thanks everyone!

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Old 03/15/2013, 11:04 AM   #8
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Location: Dewitt MI
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Here is the one I use. You don't need a break out box as it plugs into the pin outlet on the Apex

I use it to turn the ATO pump on /off

Fallback OFF
If Switch1 CLOSED Then ON
If FeedD 000 Then OFF
Defer 005:00 Then ON

FeedD is for for when I do water changes and maintenance and shuts down return pump, heaters, skimmer and ATO


180 gallon, 40 gallon sump, 8 ATI T5's, MTC MVX 36 Skimmer, Apex controller Reef Octopus CaRx

Current Tank Info: Exquis. Firefish, Carpenter, Red Head, Yellow/Purple, Hoevans, Possum Wrasses, Kole, Purple & Atlantic Blue Tangs, Matted Filefish, 2 Percula Clown, 4 PJ Cardinals, Swallowtail Angel
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Old 03/15/2013, 11:44 AM   #9
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Not only can you use it as an ATO (or a failsafe for your ATO) you could also setup automatic water changes

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