yeah it seems like stretching my m8 legalizdahurb had that same prob and corrected it by putting the light closer
cheers m8 and hope ya get it sorted

p.s my mum is a good gardener but i could never ask her for advice on this as she would probaly kick my ass lol
im 24 year old and she still says to me that im not too old for a clip round the ear lol