Dispatches 5-10 days

Auto Aqua Smart ATO Micro


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Auto Aqua Smart ATO Micro

The Smart ATO Micro is a unique Auto Top Off system that monitors and automates refilling evaporated water. Best of all it is very easy to install and contains no moving parts that can fail. This ATO comes integrated with QST (Quick SecurityTechnology) which provides real-time fail safe protection against failure. You simply move the optical sensor to adjust the desired water level within your sump. Its that easy!



  • Impossibly small & compact – suitable for large tanks as well as nano/pico tanks!
  • Contactless Optical Water Level Sensor – NO MOVING PARTS!
  • QST (Quick SecurityTechnology) which provides real-time fail safe protection against failure.
  • Simple Setup.
  • Safely keep water & salinity levels (in Marine Aquariums) stable.
  • Adapts to most aquarium/sumps with walls up to 12.5mm.
  • Mounts to Most Clear, Tinted or Painted Surfaces.
  • 1 year Warranty.


DC Feed Pump model: DP-200
Brushless (30000hrs) – Head: 200 cm
Flow rate: 280L/HR
Power: 4.5W DC 12V
Max. Wall Thickness to mount by Magnet: 1/2 inch(12.5mm)

Note: It is possible to change to the another pump or solenoid valve directly(< 10W@12VDC output) 

Everything you need is included!

  • Controller/Sensor
  • Power Adapter
  • DC brushless pump capable of pumping to a height of 200cm and a maximum flow rate of 280l/hour
  • 2m of water tubing with magnetic mount tubing holder
  • Includes Unique Siphon Breaker​



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To Return Your Order:

  • Please use the contact us section to Email or Call with your reasons for return.
  • You must provide full details, your name, address and postcode.
  • Your date of purchase and the date you accepted delivery of the item.
  • Your reason for returning the item – unwanted / faulty / damaged etc
  • Please also state if you would like your item replaced or fully refunded.
  • And you must do so within 7 days of accepting delivery of your item.

We will contact you within 2 working days with our feedback and advise you further on returning your item. No refunds will be processed until they are received and fully inspected by one of our advisers. Where possible you can provide these details in person and return your items to our Glasgow store.

Please also revise our Policy’s below before getting in touch.

Standard Returns Policy

In all situations your item must be returned to us at your own expense. Your products are your responsibility until they are received for inspection by us in our Glasgow store.

We cannot in any instance accept returns for any damaged in transit goods if you have inspected and accepted delivery of the item. If the item is damaged upon arrival please do not accept delivery and contact us immediately. If you wish to return your item for other reasons we allow 7 working days to return any faulty or unwanted goods. Where possible we will endeavor to send out replacement parts and work towards a solution in replacing or refunding your item.

Livestock Policy

In any instance we cannot accept return of any livestock purchase. We ask that you take the proper precautions before placing any order of livestock by fully researching the fish, coral or invertebrate. We cannot accept of the item once your order has been placed and/or received and reserve the right to deny refund. Special instances in which you have mistakenly ordered an unsuitable item and the item has not been processed for dispatch and still in our Glasgow store we can endeavor to cancel your order for you. We will always try our best to do what we can for our customers and we always ask that you try and get in touch with a customer adviser for any advice or help.

Livestock DOA Policy 

If your livestock item is received Dead On Arrival we ask that you contact us immediately. We reserve the right to deny refund if we are not contacted within 24 hours after accepting delivery of your item. We reserve the right to deny refund in any instance we deem appropriate of any deaths of livestock removed from their original shipment packaging after 24 hours. We ask that you take a photograph of the livestock in its original packaging and use our contact us section to email us. We reserve the right to deny refund if we suspect any foul play or misconduct when handling your new livestock item.

Postage Refund Policy

In any event we reserve the right to deduct postage and restocking fees.