Hey oldmac Happy New Year

Great info, can you tell me how much W's of T5 HO are enough for area of 1m2 used for veg.

Btw I found this nice review of Atinic white with charts, maybe someone will find it usefull.

Product Review: T5 Fluorescent Lamps: UV Lighting's 'Super Actinic,' 'Actinic White,' and 'Aquasun' High Output T5 Lamps | Advanced Aquarist's Online Magazine