ZoaAddiction81
Nems And More Nems
Hello I’m finally breaking down and I’m buying a auto top off system...I have found two of interest so far a AutoAqua Smart Micro System or a XP Aqua Duetto Dual Sensor any ideas ????
Best ATO Unit Thats Reliable
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Tunze Osmolator hands down. The pumps can wear out every once in a while (especially if you let them spin with air in them), but they are $20 and nothing is more safe.
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ZoaAddiction81
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Thanks I will definitely check that out.. I’ve been reading the reviews of some other top offs scary things happen
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ZoaAddiction81
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Are you talking about the 3152 tunze?
Don't be scared. Just follow the basic rules and you will be OK. Have the ATO pump well above the top of the water reservoir so that no water moves with gravity. Have the ATO hose dose into the air so that nothing gets siphoned. Do not let your ATO run dry and have the pump try and move air. The triple (optical eye, float and timer) on the Tunze will save you in case one or two things fail.
This is one thing that you cannot really cheap out on.
The 3152 uses a float and a timer. The 3155 uses an optical eye too. The 3155 is better than the 3152, but I would use the 3152 over any other unit. It goes like this... 3155 > 3152 > world.
This is one thing that you cannot really cheap out on.
The 3152 uses a float and a timer. The 3155 uses an optical eye too. The 3155 is better than the 3152, but I would use the 3152 over any other unit. It goes like this... 3155 > 3152 > world.
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ZoaAddiction81
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Thanks
windemerejack
Valuable Member
Another vote for Tunze 3155
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ZoaAddiction81
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Tunze sounds like the winner thanks very much
Ross Petersen
Well-Known Member
The Tunze 3155 has been rock-solid for me.
The XP Aqua Duetto Dual Sensor has been a royal pain. Not sure why, but the lower sensor is not triggered and my water level constantly fluctuates between the upper and lower optical sensors. They are installed vertically, as per instructions, cleaned regularly, away from high flow areas and bubbles. Waiting for XP autoaqua to get back to me...
The XP Aqua Duetto Dual Sensor has been a royal pain. Not sure why, but the lower sensor is not triggered and my water level constantly fluctuates between the upper and lower optical sensors. They are installed vertically, as per instructions, cleaned regularly, away from high flow areas and bubbles. Waiting for XP autoaqua to get back to me...
This is already a hands down win, but I have two if the Tunze and they are indeed the best.
Bossman
Well-Known Member
I have 4 Tunze 3155's and they have worked great. I started running kalk in my ATOs about a year and a half ago. No problems yet.
I also have an XP Aqua Duetto on a 10 g nano. It works very good, but like others have stated, I do have to clean the sensor frequently.
I also have an XP Aqua Duetto on a 10 g nano. It works very good, but like others have stated, I do have to clean the sensor frequently.
1) Spectrapure UPLC - ATO
2) Tunze 3155
3) Avast Marine ATO
I’ve owned all three and ranked them accordingly. You really can’t go wrong with any of these choices IMO. They are all very reliable and have stellar reputations and track records to back them up. However, if you do plan on dosing Kalkwasser, I would prefer the Spectrapure or the Avast as they use a pressure tube/switch that cannot get fouled, unlike optical sensors and float switches.
2) Tunze 3155
3) Avast Marine ATO
I’ve owned all three and ranked them accordingly. You really can’t go wrong with any of these choices IMO. They are all very reliable and have stellar reputations and track records to back them up. However, if you do plan on dosing Kalkwasser, I would prefer the Spectrapure or the Avast as they use a pressure tube/switch that cannot get fouled, unlike optical sensors and float switches.
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