10-13-2013, 10:06 AM
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Almost ready to apply silicone.
Remove the 3rd wall (the one between the sponge filter and where the utility pump will be).
Now that you've got only two walls in the sump, secure them on one side firmly with masking tape. You'll be applying the silicone to one side of two of the walls. Be sure to place the tape so it can be easily removed after the sealant has cured or is firm enough to not be marred.
Now either measure from the wall you have secure (or if you used masking tape to mark their locations when you mocked it up) set and secure the second wall.
It's easier to mark all of the baffle wall locations when you have the project mocked up. You will probably be moving the walls in and out so it'll definitely save some time. Just be sure to place the location marked tape high enough to not interfere with the baffle walls and there installation.