I own a 55 gallon tank and currently have two 18" 15 Watt bulbs. I heard this wasn't enough so I did some looking around and these lights were recommended to me.
http/www.bigalsonline.ca/catalog/product...id1=1843;pcid2=
&
http/www.hellolights.com/484xcofraq4x.html
I wondered if the WPG is too high. I think it works out as 4.7 WPG
http/www.bigalsonline.ca/catalog/product...id1=1843;pcid2=
&
http/www.hellolights.com/484xcofraq4x.html
I wondered if the WPG is too high. I think it works out as 4.7 WPG