veramente i par che misura sono sempre su led da 50W...prima 10000k e poi 20000k...leggi bene.
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50W 455nm Royal Blue Led Panel for Aquarium
PAR reading(Instrument: Apogee MQ

0): 920
http://cgi.ebay.com/ws/eBayISAPI.dll...m=220811201050
50W 10000K High Power 4000LM LED Panel for Aquarium
PAR reading(Instrument: Apogee MQ

0): 1490
http://www.ebay.com/itm/50W-10000K-H...-/220887675646
50W 20000K High Power 4000LM LED Panel for Aquarium
PAR reading(Instrument: Apogee MQ

0): 1308
http://www.ebay.com/itm/50W
000K-H...-/270738329590