cheers chaps ive been working on it for a couple of months sourcing bits even down to the black hose from tank to pump, i came up with the tank dimension and added extra bit so i can screw pump an flow control on it keeping it a neat unit, the chap can make any size shape just work out what you want he will sort it, the tank cost me 185 in vat and delivery, anyone want more info email me, i shall be happy to point you his way,