Prop tanks

[A Reef Scene]

Where can I find the long white prop tanks? I think there made out of fiberglass. Somthing around 10 feet by 30 inches front to back and 18 inch deep or so

[A Reef Scene]

No one has any Ideas, I think there used on farms or somthing like that.

[rfd515]

Can get them at USPlastics but they are pricey

[adriangtz]

i know there is some thing like that to feed animal in farms.

[Wrench]

I'm looking for something similar but the ones I've seen are blue. Dimensions are 84x24x12". They hold 120g of water and are made of fiberglass.