Rank #2 in Best Aquarium Filter 2026: Turnover Is the Only Number
NICREW Magi700 Fish Tank Filter, 700 L/H for 60-150L Tanks
Price and rating as shown on Amazon when we collected them. Both change.
The NICREW Magi700 is first in Amazon's aquarium filter category: 700 litres an hour for tanks of 60 to 150 litres, for £19.99 with 634 ratings at 4.3 stars.
It takes second because it is the best-evidenced of the small filters and the one whose two numbers agree: 700 L/H is seven turnovers in a 100-litre tank, inside the four-to-six range, and it ships a spare impeller.
How those 634 ratings break down
An average hides its own shape. This is the spread behind the 4.3 stars.
Specification
Exactly as published on the Amazon listing, field for field.
| Maximum flow | 700 litres per hour |
|---|---|
| Stated tank size | 60 to 150 litres |
| Included | Filter media, spray bar and a spare impeller |
| Warranty | 1 year limited |
| Ratings | 4.3 from 634 |
| Price | £19.99 |
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“Very good for the Price highly recommended water is Chrystal clear constantly”
Verified purchase“Brilliant suction works great for filtering. It’s very quiet and I am very happy with this product.”
What it is up against
The rivals it was ranked against in Best Aquarium Filter 2026: Turnover Is the Only Number.
Rank #1
Fluval U2 Internal Aquarium Filter, Up to 110 Litres, 400 L/H Adjustable
£36.00
Rank #3
Interpet PF1 Internal Power Filter, for Aquariums Up to 68 Litre
£15.69
Rank #4
NICREW Magi Mini Fish Tank Filter, 150 L/H for 20L Tanks
£13.99
Rank #5
NICREW Magi200 Fish Tank Filter, 200 L/H for 20-40L Tanks
£15.99
Questions people ask
What is the flow rate?
700 litres an hour, for tanks between 60 and 150 litres — seven turnovers in a 100-litre tank.
Why does the spare impeller matter?
The impeller is the moving part that wears out, and it is the usual reason a filter stops. Having one in the box saves a breakdown.
Is it quiet?
Reviewers call it very quiet, and it is fully submersible.
Does it come with media?
Yes, filter media is included along with a spray bar.
Why is it second?
Because the Fluval above has three times its ratings, and this one is the better value of the two.
How many ratings does it have?
634 at the time of collection, averaging 4.3 stars, with 67 per cent five-star and 7 per cent one-star.
Comments
Reader comments are not checked against the manufacturer's claims above.
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