ez store 18 gal buckets were can you get them in the uk

Does any one know were you can get ez store 18 gal buckets like used in the current culture under current rdwc systems in the uk or something pretty much identical , i can buy from the usa but is really expensive the ship etc to the uk .

all the buckets i find that are big and high quality are round or square and too small or too thin

any idea faulks

i can't find any square 18 gallon buckets in the u.s., did you mean 18L?

Here's some 13 gal buckets
https://www.mbferts.com/13-Gallon-DIY-Undercurrent-Hydroponic-Grow-Buckets-DWC-Hydro-880.htm