planted tank aquarium

Hi all I have a 120l tropical fully planted tank. Co2 injection and use root tabs. Plant growth has really increased. Hubby thinks we've too many plants now so that's my question do you think I need to remove some? Moss attached to coconut shell and lava rock.

I have a 75 gallon tank. I put in a bunch of driftwood and now my water is quite brown in color. I don't really mind the coloration because I like the natural look of it but I am concerned about my plants not getting enough light. Does brown colored water block the light from getting to my...