BRS uses Walt Smith 2.1 for their 52 weeks of reefing series videos, I use it as well, no issues and like the way it looks in water.
http://www.bulkreefsupply.com/video/view/week-11-simple-ways-to-create-the-perfect-aquascape/
http://www.bulkreefsupply.com/video/view/week-11-simple-ways-to-create-the-perfect-aquascape/
