10-14-2010, 08:28 PM
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ok what i have read about and chose for myself.... is a clip on with a CFL (spiral bulb) inthe 5500k (color temp) its about 13 watts and once things are stable and going when you add the cheato it grows like crazy under that light... i pull out about a gallon zip bag full every 2-3 weeks and leave about a half bag in the sump!!!!! the 6500k surprisingly grows this a bit slower and therefore not as productive as a nutrient export.....
that said i have seem others use a good grow light (floro) in the 6500k range and get good results.. but under normal light there is reportedly no or very little growth...... again though you want to wait for about 2-3 months after initial set up to bother with the cheato so it has waste to remove... (my first batch went in at 4 weeks and died in 3 days!!) after i waited i have not had to by any more