was the halfords lamp a 21w equivalent? I would take it back if it don't hit the mark.
I used a 23w red coated lamp. Not the legal 21w but after the red filtering its the same light output. Its red too, not some washed out looking colour. I think you have just been unlucky tbh.
I used a 23w red coated lamp. Not the legal 21w but after the red filtering its the same light output. Its red too, not some washed out looking colour. I think you have just been unlucky tbh.