Did you try using your old bulb and see if it has the same problem. If not it might be a faulty new bulb. Check the specs of your old bulb and the new bulb. They might be of different watts.
If yes than maybe its the ballast
These are what I remembered.
Pm bro haanZii. Think he is very good with electrical stuffs.
Thanks to those who are interested in the skimmer but like I mention
So wait till thursday then I'll know if its available again
so in the mean time save your $$ on the SMS
Here's a pix of my Powder Brown bought from icecold. The right patch on his head has signs of reduction . Left side still the same Fellow with me almost 2 weeks liao and dares to eat from my fingers Will try to shot a pix of him eating from my fingers
Thanks to those who PMed me. Sorry didn't reply as not on line just now. If you are interested please pm me your contact. I'm staying at Bedok Reservoir area.