The AA Deco O Aquarium 20L is a great starting point for anyone new to fishkeeping. Compact, simple, and affordable, this small aquarium is ideal for cold water fish and first-time setups where ease matters most.
Compact 20L small aquarium - ideal for tight spaces
Beginner aquarium designed for simple setups
Suitable for cold water fish
Affordable, cheap aquarium for first-time fishkeepers
Easy to maintain and manage
Great entry point into fishkeeping
Black and White Colour Option
With its manageable 20L size, it’s easy to place in bedrooms, offices, or living spaces without taking over the room. It’s also a solid option if you’re after a cheap aquarium that still gives you enough space to learn the basics of fish care, feeding, and tank maintenance.
If you’re stepping into the hobby for the first time, this beginner aquarium keeps things straightforward and stress-free. Simple to set up and easy to maintain, the AA Deco O Aquarium 20L lets you focus on enjoying your fish, not fighting complicated equipment.
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Refund Policy
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at simplyfishnz@gmail.com. Please note that returns will need to be sent to the following address: 10/31 Stevens Street, Waltham, Christchurch, 8011
Damages and issues Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items Certain types of items cannot be returned, like perishable goods (such as food, fish, or plants), or custom products (such as special orders or personalized items). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too. If more than 15 business days have passed since we’ve approved your return, please contact us at simplyfishnz@gmail.com.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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Simply Fish, 10/31 Stevens Street, Waltham, Christchurch 8011, New Zealand
