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Acrylic Aquarium ATOs

Premium automatic top off (ATO) reservoirs

ATOs
Got a custom requirement?
We can customise our acrylic aquarium product range to your needs.
Get a custom quote

Hmahli ATO reservoir range

Looking for something specific? Talk to us.
Get a custom quote
ATOs

Acrylic ATO reservoirs designed by aquarists for aquarists

The Hmahli automatic top off (ATO) reservoirs provide a premium fresh water reservoir to replace evaporated water from your aquarium. Thoughtful features and attention to detail give this ATO a level of polish and intelligence unlike many others.

  • Clear front panel with volume display for simple water level checking
  • Signature recessed flush mount lids with finger hole for easy maintenance
  • Hosing and cable management to keep a sleek aesthetic
  • Acrylic colour options available to suit your aquarium aesthetic style

Why choose a Hmahli ATO reservoir?

Performance
Flagship performance

Our mission is to create life support systems with unrivalled performance. Every component is purpose-built.

Customisable
Completely customisable

Whatever your goals are, we can tailor our life support systems precisely to your unique needs.

Craftmanship
Attention to detail

We build our systems from the ground up, with every component and detail thoughtfully refined.

Australia
Aussie owned, designed and built

Proudly made in Wollongong, Australia, from initial concept through to production.

Global Shipping
Made local, shipped global

We are excited to now offer the Hmahli Australia range to aquarists all around the world.

Customer Service
No B.S. customer service

We're all about personalised customer experiences, where we can share the journey and excitement with you.

See the gallery of our ATO range

ATO 3
ATO 2
ATO 1

Looking for a custom acrylic ATO?

Whether you're after a minor tweak or something designed from the ground up, get in touch with us and we can customise any of our range to suit your requirements.

Get a quote

Get your Hmahli ATO reservoir through our exclusive retailers

Check out the Hmahli difference for yourself at your local exclusive aquarium retailer.

Learn more

Frequently asked questions

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Where do you ship to?

Although we manufacture all of our life support systems in Wollongong, Australia, we are excited to ship our products Australia-wide and globally. Check out our exclusive local Australian retailers and international distributors to find your preferred supplier.

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What sizes of automatic top off containers do you offer?

We offer a standard 15 litre and 30 litre option in our standard range. If you are after a larger or smaller size get in touch with us and we can help.

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Can I customise the ATO reservoir?

Yes, we can customise the ATO vessels to suit any shape, size, or equipment such as ATO pumps or sensors you might have. Talk to us for your custom requirements.

See other Hmahli products

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