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-   -   Auto Top Up Failed Again :( (http://www.canreef.com/vbulletin/showthread.php?t=115052)

martinmcnally 07-14-2015 12:12 AM

Auto Top Up Failed Again :(
 
My second auto top up system failed this weekend (of course while I was out of town). I've pretty much had it with these crappy things.

I used to have a Tunze Osmolator and the pumps would fail every few months so I ditched that one for some float switches which worked for years. Then I decided to get a Aqua Gadget Hydrofill thinking I wanted a little more security. Do not purchase this, its garbage (in my opinion), bad design. It was finicky from the start. If you get any foam or dirt or anything on the sensors it fails. It has flooded my living room twice in the past 7 days.

Decided to go back to the old float switches and upgrade my Apex to control them.

I was thinking of doing this:

Single controller float. When its activated wait 5 minutes then turn on the water, when its deactivated with 5 minutes then turn off the water. This should prevent the constant on and off that you sometimes get.

Then the second switch will be closer to the surface as a fail safe. If activated the system is shut off and alarm sounds.

Also purchased 2 leak detectors if activated system is shut off and alarm sounds.

I was considering having 2 float switches do the on and off work but it just doubles the chances that one of them will fail. I think I would rather have apex programming that says if the water is on for more than 10 minutes something is wrong, close the water and sound the alarm.

If the controller float fails, and the programming does not stop the more than 10 minute water on, and the dead stop float fails I still have the leak sensors.

What do you guys think?

Reef Pilot 07-14-2015 12:27 AM

I use a double float set-up similar to this.
http://autotopoff.com/products/DS1/
I actually have it right out of the water in my sump, and only use it as a secondary (and third) safeguard in case my primary float (which regulates sump level and fed by my RO/DI) fails. The primary float feed only comes on for 5 min every 6 hours via a solenoid that is connected to my Apex. If power is off, solenoid is off. The power goes through the double switch controller, and will cut power if the 2nd or 3rd float is activated.
http://autotopoff.com/Solenoids/
The double float switch will not allow power to the solenoid.

Might be a little overkill, as even my primary float has never failed. But it does give me good peace of mind.

And the whole set-up costs way less than a Tunze or most other ATOs.

martinmcnally 07-14-2015 12:32 AM

Quote:

Originally Posted by Reef Pilot (Post 958822)
I use a double float set-up similar to this.
http://autotopoff.com/products/DS1/
I actually have it right out of the water in my sump, and only use it as a secondary (and third) safeguard in case my primary float (which regulates sump level and fed by my RO/DI) fails. The primary float feed only comes on for 5 min every 6 hours via a solenoid that is connected to my Apex. If power is off, solenoid is off. The power goes through the double switch controller, and will cut power if the 2nd or 3rd float is activated.
http://autotopoff.com/Solenoids/
The double float switch will not allow power to the solenoid.

Might be a little overkill, as even my primary float has never failed. But it does give me good peace of mind.

And the whole set-up costs way less than a Tunze or most other ATOs.

HA! That's the system I used to have. I should have stuck with it!

Dearth 07-14-2015 01:29 AM

I have a second hand JBJ auto top off with controller and 2 floats and a cheap pump (can't remember brand atm) been working awesome for over a year and half with no issues

Ron99 07-14-2015 01:43 AM

Quote:

Originally Posted by martinmcnally (Post 958825)
HA! That's the system I used to have. I should have stuck with it!

Me too. Been using the autotopoff.com unit for many years without problem coupled to an aqualifter pump. It's fairly bulletproof.

dino 07-14-2015 01:51 AM

I use a gravity feed from a bucket. System Cost 15.00 and has never failed

mark 07-14-2015 03:35 AM

10 years with a furnace humidifier float valve in the sump connected to the rodi. not a single problem.

Tom R 07-14-2015 04:21 AM

I have used 2 Kent Float Valves for 14 years with no problems.

I uses 1 Kent Float Valve from my RODI to a 45 gal drum and a second Fent Float Valve from the 45 gal drum to my sump.

The water storage tank can be any size. I use a 45 gal drum,

Tom R

The Guy 07-14-2015 03:55 PM

using the Tunzie 3155 ato system, so far it works very well. I like the gravity system best but my wife has a problem with a five gallon pail on top of a 6' step ladder in the living room. LOL!

mike31154 07-14-2015 04:14 PM

Ugly but fairly simple. Many, many years of trouble free operation. A variation of the mechanical float valve, gravity feed method. I don't have sump or room to mount a container above my display, so use a glass carboy pressurized by an air pump on a timer to feed a mechanical float valve in the display. I shortened the valve by a couple of chambers to reduce the footprint in the tank. I think after 5 or 6 years, I may finally need to replace the float valve. The rubber seal that closes the opening in the feed line when the valve is up has finally hardened to the point where it no longer provides a complete seal. Should be about $10 at the local hardware store.

What I find good about this set up is that everything happens rather slowly & even if something goes wrong, there's generally no disaster in the form of a flood. The fresh water is limited to the 7 gallons in the carboy and the air pump keeps just enough air pressure in there to feed the tank with a trickle when the level drops to open the mechanical valve. It gives me about 7 days of ATO.

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