anyone ever use kents liquid calcium reactor?

[random_ryan]

I was wondering if anyone has ever used liquid calcium reactor?
here's the link to it
http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=7362&N=2004+113921

 

[random_ryan]

was also wondering what some of you thought about it?

 

[bertoni]

That product is basically fine sand, and it's not going to be very useful:

http://www.advancedaquarist.com/issues/july2002/chem.htm

 

[random_ryan]

My wife ordered it and is using it in her tank. I knew nothing about it so I thought I would ask.