Mikes 29 gallon Biocube

[Sabellafella]

Upon looking at this thread i decided to change my bulbs 1 at a time , the reading i took from here yesterday was 120,(i only changed 1 bulb and its already 200, midway directly under both bulbs , for some reason the bulbs need to be replaced after 4 5 months (the last time i replaced was aug 3rd) i also run carbon