how to level a tank cabinet

[will-kib1]

i just got anew tank pickit up at the end of week its a secondhand rena tank 79x20x28 my problem is my floor runs out by 1/2 inch over this lenght i have never had atank with a wood cabinet before all my big tanks before ive built bases with concret blocks and steel girders my floor is concrete with carpet its areally nice tank and is going in the lounge so if anyone has any idea i could really do with some help thanks

 

[TurboVinny]

wood shims, can be had at any hardware store

 

[kumdoalan]

I used shims too

 

[will-kib1]

great so just under corners is that alright

 

[Bud8Fan]

I have a pretty large stand so I ripped 2x4's and made my own shims then used trim stained to match the tank to hide the gaps that were created.