Do I need to be careful of the products I use in the home, when I have a wastewater treatment system?

Yes, The use of Biodegradable products where possible should be used.

Do not flush items such as Sanity items, Nappies, Nappy wipes down the toilet.

Limit the use of harsh chemicals such as Bleaches and strong detergents, any product that kills bacteria in the home, will kill the good bacteria in the system, causing the system to smell.