free delivery over £120

7 day guarantee

livestock delivered by us

Orders under £20 are subject to a £5 surcharge*

free delivery over £120

Orders under £20 are subject to a £5 surcharge*

D-D H2Ocean Compact Auto Top up ATO


4 in stock (can be backordered)

Buy to earn 148 Delta Points!

D-D H2Ocean Auto Top-Up is a smart, ultra-compact auto top-up unit, which is simple to mount, easy to use and has twin optical sensors for added security.

Key Features:

  • Compact intelligent sensor with twin optics and visual alarm.
  • Built-in real-time fail-safe protection.
  • No moving parts to fail.
  • Small footprint.
  • Easy to install.
  • Plug & Play.
  • Complete with DC Top-Up Pump.


  • Power input: 100˜240 VAC 50-60 HZ.
  • DC Pump: Head 250cm, Flow rate: 280lph.
  • Glass mounting thickness: 12.5mm.

If you need any advice on how to use this product, contact us and speak to a member of the Delta Aquarium Marine team.

What is Backorder?

Answer: Available on backorder means we do not have the item currently in stock but are able to order it in and get it out to you quickly.

What is your special local delivery

Answer: This is where we can deliver livestock to you ourselves to save it going to a courier. This means it will be handled with optimum care same day within the local area of our shop.

If you have any questions about this product please feel free to contact us and speak to a member of the team.

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If you live within a 10 mile radius of Birmingham University, and your order is £30 or over (not including postage), you qualify for the option to use our Delta Prime delivery service. This means delivery is at a discounted rate and is also hand delivered by ourselves. For livestock this means there’s no overnight shipping, and hand delivered with care by us. Once your order has been placed, we will contact you to arrange time for delivery. Depending on booking slots, orders placed before 12pm, can be delivered the same day or whenever suits you.


Delivery days & times

7 Days a Week: 3pm-7pm


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