I used to always change it I never liked it. lol.
It's a pain when you never get the look your looking for.
I finally got pissed off and just left it a alone and poof, it worked out llol.
My center piece plant is a madagasgar lace. Very pricy, but I got it for 2 bucks lol. Now I have 3 of them cause I split the bulb up.