This is probably not okay. If it says 175, you should be using a 175.
If you did have a way to get a 250w fixture, I would trade you for a 150w fixture...but I really need two. I would give you two 150's in return however.
If you did have a way to get a 250w fixture, I would trade you for a 150w fixture...but I really need two. I would give you two 150's in return however.