After 4 months I had to throw the whole thing in the trash. First - the float is made so too much debris can get into it and block the valve from working properly. Snails/sand/salt creep/ day after day I'd have to take it apart and clean it as it constantly malfunctioned. Then the controller got a short in it - so I took it apart and stripped the wires-re-wired it - it worked ok for a while till a small amount of water got inside (it was not near the tank), so the whole thing was ruined. Before I took it apart I called Tunze company for advice. No help whatsoever- very poor customer service. I won't buy anything made by Tunze. I have 4 nano saltwater tanks and I'm using a different ATO that is working great on all of them.
Verified purchase: No
It works well for my nano. Have experienced no malfunctions or overflows. Great product from one of the most trusted brands (Tunze) in the ATO space.
Verified purchase: Yes | Condition: New
Read the reviews online before buying this product. It worked for 3 days perfectly and then started working randomly, pump wont turn on even with the float completely exposed. Need to unplug and plug it again to re-set but the problem persist. Tunze should stop selling this ATO since there are too many people with this complaint.
Verified purchase: Yes | Condition: New
No salinity changes since I got it hooked up!
Verified purchase: Yes | Condition: New
My pump stopped working after 10 months. Had to purchase a new one
Verified purchase: Yes | Condition: New
Great product. Always buy from them
Verified purchase: Yes | Condition: New
Verified purchase: No
Verified purchase: Yes | Condition: New
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