So next years big project will be adding some type of system to process the household wastewater. I have already built a eco toilet that doesn't use water, so the only wastewater we produce is from washing the dishes and when we shower/brush teeth... and general cleaning products (we use eco...
Pool shock (calcium hypochlorite) is what I store fer one part a my water treatment plan. I keep it in a pvc pipe with caps so it don't corrode everthin in site er get wet. Cal Hypo is what came in the original Civil Defense kits fer water treatment.
Here be a handy little item ta make fer yer...