I would sew the screen together with thread or fishing line & silicone or glue pieces of rock or gravel to weigh it down. You could also use smaller rounded river rocks to act like a border & weight.
CFLs are more efficient than normal bulbs. There are 6700k daylight bulbs which are great for growing plants. You could use a couple 13-15w for your tank...
I have no experience growing plants with LED, but the LED lights I've seen are very blue/white - haven't looked into what kind of output they provide.
CFLs are more efficient than normal bulbs. There are 6700k daylight bulbs which are great for growing plants. You could use a couple 13-15w for your tank...
I have no experience growing plants with LED, but the LED lights I've seen are very blue/white - haven't looked into what kind of output they provide.