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Unread 10/23/2021, 04:22 PM   #1
Sk8r
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Really good ATO (autotopoff unit)

I had one that worked flawlessly for years and looked as if it were composed of baling wire and spare hose. It finally died, and I have since been through 3 brands none of which worked reliably. The current absolute failure is Tunze, which I cannot even get to respond.

Does anybody have a decent dirt-simple float-switch topoff they can recommend?


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, yellow tang, sailfin blenny,royal gramma, ocellaris clown pair, yellow watchman, 100 microceriths, 25 tiny hermits, a 4" conch, 1" nassarius, recovering from 2 year hiatus with daily water change of 10%.
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Unread 10/23/2021, 05:15 PM   #2
Misled
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So my last one wasn't a float system, but it was very reliable. It ran for over two years without a hitch.

https://www.bulkreefsupply.com/exo-a...fbreeders.html


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Unread 10/23/2021, 05:30 PM   #3
vsiege
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I have had this unit running since June 2020 without an issue. I like that it has 3 optical sensors. I recommend shutting off the buzzer unless you want it to audibly let ya knownwhen it detects low and starts its top off. Shut it off and never looked back. So you don't get back siphon (in the manual as well), put a pin hole through silicone tubing above reservoir tank. I bought it when it was 90 something but it's been reduced down to 72. Good deal. The DC pump looks comically small but does the job just fine. Good luck and let me know if ya have any setup issues. Take care



FZONE Triple Sensors Aquarium Auto TOP Off Water Refiller System Smart ATO Auto Filling Tank with Intelligent SPT Algorithm https://www.amazon.com/dp/B083JG8HWT..._J9bFqJsvqIxZQ


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Unread 10/24/2021, 10:13 AM   #4
Vinny Kreyling
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Sk8r --
I would get in touch with Roger on the Tunze forum here.
He is a great guy to work with & will not steer you wrong.


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Unread 10/25/2021, 12:58 PM   #5
fishgate
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Never had an issue with the JBJ. But also never had an issue with the Tunze.


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Unread 10/26/2021, 05:30 PM   #6
reeftivo
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tunze for 8 years until the optical sensor got too scarred up from cleanings. new one should last me for at least another 8


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Unread 10/26/2021, 09:40 PM   #7
Sk8r
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thank you all for the responses. You've given me some good avenues to try.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, yellow tang, sailfin blenny,royal gramma, ocellaris clown pair, yellow watchman, 100 microceriths, 25 tiny hermits, a 4" conch, 1" nassarius, recovering from 2 year hiatus with daily water change of 10%.
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Unread 10/26/2021, 10:49 PM   #8
vsiege
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Quote:
Originally Posted by Sk8r View Post
thank you all for the responses. You've given me some good avenues to try.
Hoping things work out well.


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Unread 11/02/2021, 05:55 PM   #9
origreefer
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I had an ELOS for 10 yrs and it was perfect. When it finally died, I went thru 2 Tunzes, JBJ, Smart ATO, and one other before settling on an Apex. I don't like it at all, very temperamental. I much prefer the old style float switch ATOs.


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Unread 11/03/2021, 03:08 AM   #10
Member No. 1
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Gold standard would be a Litermeter set up. Expensive up front, but I've got one running for over 15 years without issue.


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Unread 11/10/2021, 12:30 PM   #11
herostar
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I've used an autotopoff.com setup for about 6 years with no issues. They have lots of options ranging from single sensors for nano tanks to large setup systems with multiple redundancies.


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Unread 11/17/2021, 04:20 PM   #12
Crowed
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I have Tunze optical sensor for more than 10 years, few times a year i soak it in vinegar and it looks like new


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Unread 11/30/2021, 11:11 PM   #13
fromjuan
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I have been using tunze for a few years without issue.


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Unread 12/20/2021, 06:01 PM   #14
EuroDriver
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I have tried a number of off-the-shelf ATO units, and I've had my issues with all of them. The most reliable that I have been running for several years now is a Tom aqua lifter pump. It's been absolutely solid.

I have it plugged into my Apex with high and low float switches, a regular, 'ol 5 gallon water jug in my cabinet with a piece of rigid airline tube to the bottom, airline hose to the aqua lifter, more airline hose from the aqua lifter into the sump. Absolutely reliable, small footprint and hassle-free.

If you don't use a controller, you can use a solenoid or hard-wire the float switch to the aqua lifter's electrical cord.


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Unread 12/22/2021, 01:05 PM   #15
Sk8r
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FINALLY got the ATO brand ATO to work. I think.
Understand, I have been operating with chemo-brain fog for a bit, but one of the things that threw me, and could well throw a novice...
...Would you think that if there is a mode A sensor hookup (1 sensor) and a mode B (2 sensors)---they would ship with the unit set to A, as, well, first in the alphabet. And the simplest rig? [I have a 3' deep reservoir and a pump-save arrangement to detect low water is just not needed.]
Chemo-brain, as I said. I assumed. I was also foggy enough not to remember that the pump will NEVER respond to the sensor if not plugged into the unit rather than the wall---a day-1 rookie mistake, but, well, dim. I am all better now.
And the thing MAY be running.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, yellow tang, sailfin blenny,royal gramma, ocellaris clown pair, yellow watchman, 100 microceriths, 25 tiny hermits, a 4" conch, 1" nassarius, recovering from 2 year hiatus with daily water change of 10%.
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Unread 12/24/2021, 03:59 PM   #16
cody6766
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Quote:
I've used an autotopoff.com setup for about 6 years with no issues.
Me too, plus a few years. I bought one of their 2 float setups used back in 2008 and another sometime in 2010'ish. I'm not sure which one is on my tank now, but I know that both of them still work like new. The simplicity of dual mechanical float switches and a relay box is hard to beat. My maintenance schedule is swish them around in the sump for a few seconds when a float sticks. This happens about every 2-3 years, but sometimes as often as 6 months...terribly inconvenient, haha.

Quote:
FINALLY got the ATO brand ATO to work. I think.
Good to hear!


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