Pre formed pond

Hi all Hope you're enjoying your weekend Couple of questions Im looking to buy a fibreglass pond and put in a concrete base 1, Reccomdations for fibreglass ponds - ive come across 2 just wondered if ive missed anyone else 2, concrete base - can anyone advise me on thickness etc Many thanks See less

Massive pond how many gallons ?

What about the plastic ponds like

Any fibreglass pond / koi grow ons about? Roughly 2000l?