how long does this bulb take?

[coldshutter]

just bought a giessmann bulb and it wont light. All its been doing is alot of clicking. I have a viper 150 ballast.

 

[maxfischer]

chance it may not fire at all

 

[coldshutter]

Works now after like 30 mins wierd. Its very bright. All I see is little different colored rectangles.