Fluval SEA Evo 52 Litre Marine Aquarium


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Fluval SEA Evo 52 Litre Marine Aquarium
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  • Includes built in filter and 16 W LED lighting for coral growth
  • Volume: 52 Litres
  • Complete Nano Marine Starter Kit for the beginner, just add a heater. 
  • Powerful 3-stage filtration for superior water quality
  • Multi-directional dual outputs for customized water flow
  • Stylish honeycomb wrap conceals water line and sides of the rear compartment
  • Easy feed top cover opening
  • Specifically designed compartment to fit the Fluval PS2 Mini Skimmer
  • Also available in a 60 L Marine version (Spec) and a 60 L Freshwater Version (Spec)
  • This product comes with a 2-year warranty, excludes cracked glass.

Go small in a big way! Don't let its size fool you. Evo packs the same performance features as a tank several times its size but is small enough to fit on any desk or countertop. With a reef-capable LED, efficient 3-stage filtration system and seamlessly integrated hardware. Now you can explore the marine hobby more confidently, conveniently and affordably than ever before. The in-built super bright 14000 K LED provides optimal conditions for healthy coral growth, colour and conditioning. 

Product Specifications:

Brilliant Illumination
Fluval SEA Evo comes with a convenient touch-start day & night illumination. Powerful and energy-efficient LEDs for optimal coral growth and fish colour. The LED comes complete with a sleek, all-aluminium, waterproof casing. These lights produce 1383 lumens and have a colour temperature of 14000 Kelvin, suitable for all but the most fussy of corals.

Multi-Stage Filtration
The SEA Evo features a separate rear compartment camouflaged by a honeycomb print to house its multi-stage filtration for optimal water clarity. These 3 stage system contains oversized mechanical (foam block), chemical (carbon) and biological (Biomax) filtration. Filter media is all included. 

Convenient Features
The SEA Evo comes compact with several great features including its easy feed large cut out opening for simple feeding. Its multi-directional dual output nozzles mean the tank water flow can be adjusted to depending on your tank setup. The rear filtration compartment also provides ample space for a heater and the SEA PS2 Protein Skimmer (both not included).

Find Spare Parts and Filter Media For This Item

SEA Evo Spec 60 Marine Spec 60 Freshwater
Aquarium Volume 52 L 60 L 60 L 
Aquarium Dimensions (L x W x H) 56 x 29 x 38.5 cm 56 x 29 x 45 cm 56 x 29 x 45 cm
Filter Flow Rate L/H 500 L/H 500 L/H 500 L/H
Heater N/A N/A N/A 
Lighting W 16 W 16 W 10 W 
Lighting Lumens
1383 lm 1383 lm  1272 lm
Lighting Colour Temp
14000 K 14000 K  7000 K


Delivery costs for your order will be calculated during the checkout process based on your delivery address and the contents of your basket. You will only pay one delivery charge for your order. Express delivery is FREE for online orders OVER £39 unless any of the points below become a factor.

  • Some large items like aquariums, ponds and pond liners will have an additional charge of £45.00 to help offset the cost of a pallet delivery.
  • Orders containing a physical gift card will have an additional charge of £2.45 to cover the cost of materials and delivery (digital gift cards are a free alternative).
  • Orders to highlands, islands and Northern Ireland may incur an additional delivery charge displayed at checkout this is based on the postal code provided. DPD provides a list of postal codes which have additional surcharges. Some of these post codes may also take 2 working days to arrive, even on express. Pallet deliveries cannot be sent to these post codes.

We only ship to the UK and cannot ship internationally.

We aim to dispatch items that are currently in stock on the same working day if they are ordered before 2.45 pm (excluding Bank Holidays). Orders after 3pm will be dispatched the following working day, unless it fits any of the below criteria:

  • Orders containing live plants will take up to 2 weeks to arrive. We take a week's worth of customer orders and then inform the plant farms of the specific quantities we need to fulfil that week's order to avoid wastage.
  • Pallet orders containing large items like big aquariums will take additional time to arrive as they are sent by a third party. These orders will NOT be dispatched until we have been in touch to arrange a delivery date, this is to ensure someone is available at your address to sign for the delivery. Deliveries will generally be delivered ‘curb side’ within the terms of the agreement we have with our couriers so you will need to make arrangements to transfer larger items into your home yourself. Unfortunately, our drivers are not insured to transfer the aquarium into your home.
  • Physical gift cards and items from the gift shop (such as clothes, towels etc) are sent with 1st Class Royal Mail. Delivery usually takes 1-2 working days, though in rare cases and orders placed closer to public holidays (Christmas, Father’s day, Mother’s day etc.) may be longer.


If you are not 100% satisfied with your purchase online from our website, you can return the product and get a full refund or exchange the product for another one, for up to 21 days from the date you purchased it.

We strongly suggest signing up for an account with fishkeeper.co.uk as this will allow for some additional returns options like return to your local store.

If you checkout as a guest you will need to return the product to Maidenhead Aquatics, PO Box 619, Egham, Surrey, TW20 2BS, please package the order (along with a packing slip or a note including your name, address and order number).

Large pallet items like aquariums are deemed delivered successfully with no damage once the the driver has left the property. If a report of damage is submitted after the driver has left we may be unable to assist with replacements. We recommend refusing a damaged delivery, this is the fastest resolution.

Our full terms and conditions can be found here. When you place an order with us online you are agreeing to these terms and conditions.

For delivery before Christmas, orders must be placed on or before 3pm on Wednesday 20th December. We cannot guarantee delivery of these orders pre-Christmas as we are reliant on our couriers, but will use our best endeavours to get orders placed on this date out to you before Christmas. For full details of our festive delivery and opening times click here

Please note: online orders placed after 3pm on Friday 22nd December will not be dispatched until the New Year. For full details of our festive delivery and opening times click here