ok me being a newbie to plants id thought id ask what i can do to spruce up my plants they seem a lil brownish i have some java fern some cryptocoryne lutea and a cryptocoryne lucens and im dosing 1 a week with some fert called plant gro and right now i got about 20 watts for about a 20 gallon tank not sure how old the bulb is tho......any ideas? :dive2: