bass string gauge for drop G?

[Fragle]

title says it all basically....i'm currently recording a drop G tuned brutal death band, and we'll be using my (5 string) studio bass for bass recording. i got 45-135's on there right now, which works for the top 4 strings but the bottom G isn't really tight....it's workable, but not exactly great.

so, what's your recommended string gauge for that tuning?
thanks

 

[Trevoire520]

The heaviest one you can find?

 

[brianhood]

I've been using a .145 pro steel string that I ordered from juststrings.com and it works great. Even been using it for F#