Why use the screening over the tank ? I'd hang it a tad higher or to the pount that the light is hitting the top rim of the tank for even lighting and depending on what K bulb you are moving to will determine the lighting period also keep an eye on the heat.. The plastic egg crating may warp or even melt . watch it. _________ Some of the world's greatest feats were accomplished by people not smart enough to know they were impossible (Doug Larson) |