We have large (ish) 3-chamber septic tank and usually only two people in the house. We have used muckmuncher sachets for 11 months. The tanks were emptied before we started using the sachets. It is difficult to be scientific, but I get the impression: a) the final outflow of liquid is cleaner (but not clear) than it used to be; b) the scum on top of first tank is an even dark colour (more so than previously); c) smell is less.
It is a principal ethic at Bio-Gard that any product we sell will have no detrimental environmental impact.The Government and Environment Agency have concerns about waste water from effluent treatment plants, septic tanks and cesspits, and, pollution of water courses. Muck Munchers natural, non-chemical, non-toxic, non-pathogenic formulations ensure a very positive effect on reducing any pollutants, ensuring the resulting water released in to the surrounding soil is cleaner and purer.