fred70
Apr 20, 2012, 04:31 AM
How do I tell how thick the sludge is in my tank ? - thank you
speedball1
Apr 20, 2012, 04:55 AM
how do i tell how thick the sludge is in my tank ? - thank you You open up a inspection port and check the slude level built up on the bottom of the tank using a pole. Good luck, Tom