I seem to have down a working method for my black water tank but not the gray water, and could use some advice.
For black water, I just always leave the dumping valve shut and use Campa-Chem. Once a week, I dump the tank and put more Campa-Chem in. This works great for giving the chemicals the time they need to break down solids.
For my gray water, I haven't figured things out yet. I have a large family and smallish (40 gallons maybe?) tank, so I just leave the dumping valve open all the time. I tried closing the valve and adding tank treatment, but the tank fills up in like 4 hours.
How am I supposed to be maintaining the gray water tank? Would it help to just dump some treatment down the drain every couple of days? The problem I see with that, is that it will just go right down the drain and not have time to break down any small pieces of food that have made it into the tank from the kitchen sink. Any ideas, anyone?
Sorry. Forgot to mention the immediate problem I'm having which is that the gray water tank gets full of little pieces of food and then it gets clogged and won't drain. So I find myself having to do all sorts of crazy things to unclog it once a week, including draining it out into a bucket via the drain screw.