#ed_op#DIV#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl#I am sure I'm not the only person who has bought a species of the "burrowing" persuasion, only to have it decide it's home should be in the back of the tank where it will never be seen.................#ed_op#?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /#ed_cl##ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl##ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl#well..............so I figured out a solution.............make a "plate" to prevent any burrowing in unwanted areas.......#ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl##ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl#so what I did:#ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl##ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl#today I went to the hardware store and got a $2 piece of 1/16" plexi glass (cut to19" X 6" to fit in my 10gal is 20" X 10" thus "covering" 2/3s of the substrate and leaving the front 1/3 open.....), brought it home, marked it in the general "shape" of the rock works "caves", and then put it about 1/8" into the substrate (in other words, I laid the plexi down and put a light layer of crushed coral over it).......#ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl##ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl#results.....well it has been 4 hours and what a surprise, everyone is making their burrows in the front of the tank........they can still burrow all the way to the back of the tank but just can't come "up"...... #ed_op#IMG src="http://www.captivereefing.com/richedit/smileys/Happy/2.gif"#ed_cl##ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl##ed_op#SPAN style="mso-spacerun: yes"#ed_cl##ed_op#/SPAN#ed_cl##ed_op#/P#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl#now the only problem I could think of is that the entire back 2/3s of the sand are now pretty much "anaerobic" but the way I see it, any sand that would be under rock work is "anaerobic" so no difference......#ed_op#o:p#ed_cl##ed_op#/o:p#ed_cl##ed_op#/P#ed_cl##ed_op#P class=MsoNormal style="MARGIN: 0in 0in 0pt"#ed_cl##ed_op#SPAN style="mso-spacerun: yes"#ed_cl##ed_op#/SPAN#ed_cl##ed_op#/P#ed_cl##ed_op#/DIV#ed_cl#