Are new leaves still coming in? Do these new leaves look normal?

Dave Millman wrote:

WD wrote:

I understand that many aquatic plants are grown out of water, and these
leaves will die, being replaced with new. I recently bought 3 large amazon
swords, and the leaves are yellowing. At what point should I worry? What can
I do to ensure their survival?
75 US gallon
20 gallon sump, standard overflow
40x4 flourescent, timed, 11 or so hours per day
heavy fish load (barbs, tetras, loaches)
moderately planted, java fern, java moss,anubias, anacharis, amazon swords.
Using seachem florish, seachem trace according to package directions.
ph 7.1-7.2
temp 78f
nitrite0
ammonia 0
nitrate 80ppm+

The most common cause for yellowing leaves is lack of Iron. Look he

http://www.csd.net/~cgadd/aqua/art_plant_nutrient.htm
http://www.thekrib.com/Plants/Fertil...eficiency.html