C chefsreef Experienced Reefer Manhattan Reefs Location bronx Rating - 0% 0 0 0 Apr 27, 2012 #1 do u have to change Miracle Mud in ur sump
Cris007 Advanced Reefer Manhattan Reefs Location Queens, NY Rating - 100% 21 0 0 Apr 27, 2012 #2 U need to replace 1/2 once a year.
jdnumis Advanced Reefer Location Long Island Rating - 100% 73 0 0 Apr 29, 2012 #3 just replaced mine yesterday. I'd say once every 2 years. I would replace half of it.