"Provided we are adding chemicals" the answer is no.. However if you skip the chemicals the answer is yes.. (NOTE: This applies only to chemicals, not waste digester enzyme produces)
Assuming your macerator has a standard garden hose connection
Drill a 3/4" hole in the pipe and using a pipe die thread it 3/4" IPT.
Screw in a FEMALE garden hose adapter.. Swivel is nice but not necessary.
Put a plug (Standard city water inlet plug In the fitting.
To empty tanks,, Remove plug, insert male end of garden hose, hook hose to pump and .. Well you can figure it out from there.
