Sanjay's sight can be most helpful/beneficial when trying to decide on the correct bulb and ballast combination to achieve the highest PAR for your specific application. Click on the link below and input the information requested. PAR levels can be found in the column ( PPFD ), Photosynthetic Photon Flux Density
http://www.reeflightinginfo.arvixe.com/selectballast.php
More info from testing performed by Sanjay in the link below.
http://www.advancedaquarist.com/issues/oct2004/reviewb.htm
http://www.reeflightinginfo.arvixe.com/selectballast.php
More info from testing performed by Sanjay in the link below.
http://www.advancedaquarist.com/issues/oct2004/reviewb.htm
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