My next project is marco algae tank.
Turtle weed is quite hard to grow, from past reefers experience. Personally, I have yet to see my red bamboo goes asexual.
I'm still experiment with red grape.
For those who want to know the danger of DSB, including hydrogen sulphide, read.
http://www.wetwebmedia.com/dsbdangers.htm
check out the email, Don't Fear The Sand (Unfounded DSB Fears?)......