Bought a much cheaper pump than the one George uses though, was worried it wouldn't be able to pump water through 10 metres of hosing and up to my tank but it managed fine and that was on the lowest setting!
Stuff I bought and used if you're interested.
Pump - https://www.amazon.co.uk/gp/product/B07GBVVQHJ/
Hosing - https://www.amazon.co.uk/gp/product/B00ABY4BBO
Inlet - https://www.amazon.co.uk/gp/product/B002Q98TBU
And a bucket to stick in the sink from poundland