Mar 22, 2004 #1 F Fish_fanatic Aquarium Advice Activist Joined Nov 13, 2003 Messages 141 Location Canada Is 2 1/2 watts per gallon enough light for hornwort? Thanks
Mar 22, 2004 #2 M Mr Burns Aquarium Advice FINatic Joined Jan 7, 2004 Messages 805 Location cincinnati i have around 1.8 in my 29gal and it seems to be doing just fine.