White substance

marlymarl

AC Members
Feb 28, 2007
18
0
0
54
Image(23).jpgWhat is the white stuff on my live rock.Its like its been bleached or something. The edges of one peice is really brittle. MY water para are
ph=8.2
ammon=0
nitrite=.25
nitrate=20

Image(23).jpg
 
AquariaCentral.com