If you could fill a swimming pool with anything but water...

[Wintermoot]

Money!

PS

Female porn stars of my choice.
Fine, I will make it g-rated

Gold coins, that way I can test if imitating scrooge mcduck would kill me.

Or
Marshmallows

ninja,d!

 

[Merkavar]

bacon


or more seriously probably fill it with my hopes and dreams.

 

[DJ_DEnM]

Money

 

[Kais86]

Gold, so I can sell some of it, then fill the pool with whatever else that catches my fancy.

 

[Kingsman]

Money.

We've GOT to have...

Monnneyyy.

 

[SuperSuperSuperGuy]

Elixir of Life, mana potions and RAINBOWS!

 

[LadyRhian]

Gemstones.

 

[madmatt]

warm chocolate fudge sauce.
Or warm cheese sauce (like from mac and cheese). yum yum.

 

[Tsunimo]

I'd fill it with rare gems, then cover it with a tarp so no one steal them.

 

[Derek Westlund]

http://en.wikipedia.org/wiki/Fluoroantimonic_acid

then watch as it eats through the pool and watch as it creates a massive sink hole that swallows miles of ground

or fizzles uselessly into the ground

 

[TilMorrow]

Chocolate milkshake.... Can't beat la chocolat!

 

[DesiPrinceX09]

I would fill it with sour patch watermelon

 

[trophykiller]

Hot women and money. Oh yeah.

 

[NotYetForsaken]

Wish granting magic dust.

 

[Ixnay1111]

100 dollar notes

 

[Chris646]

Playpen balls. Why? Because I can.

 

[David_G]

AIDS

OK, that's inappropriate, so.. BLAST IT WITH PISS... yeah, that wasn't cool, too.

I'd fill it up with money, yeah, money.

 

[superbatranger]

Ice cream. Lots and lots of ice cream.

 

[Flailing Escapist]

I would fill it with lettuce, lesser soul gems, and yarn.

Ha, I understand the reference of this quote.

Me, I'd fill the pool with cats and kick my best friend into it.

 

[William Ossiss]

the insides of cadbury cream eggs