When I removed my DSB by siphoning it was abslolutely disgusting. The trash I can I siphoned into smelled up the whole house like rotten eggs. I couldn't believe the detritus that had built up. Interestingly the sand under the live rock was in pretty good shape. There were some areas though that seemed like concrete, it was fused together and came out in large pieces. I did loose a lot of sand dwelling critters and that was sad but overall I think it was the right move given what came out.
Curious as to other peoples experiences????
Curious as to other peoples experiences????