Thermic Isolation

[scotsgringo]

hi all can any1 help, i have just bought a new RENA 120x50x70 tank has any1 out there bought 1 of late i have made up the base unit and sat tank on it and just noticed that there is only a round 1cm thick bit of WHAT THEY CALL THERMIC ISOLATION stuck to the bottom it's about the size of a dinner plate, sitting in the middle under tank can any 1 tell me is that all that will cover the bottom or is it just a guide as the the thickness i need to buy to cover the whole bottom, apart from that the tank looks great

 

[smurfyy_2k3]

err i would buy somthing to cover the whole tank

 

[scotsgringo]

err i would buy somthing to cover the whole tank

yes cheers smurfy i thought so but i wanted to know if any 1 else has bought the rena of late just to see what they did about the round bit of polly i thought why not just cover the whole bottom ? cheers anyway m8