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Residential > Greywater > Odour

Odours from your greywater system are caused by fat, oil, grease, soap and hair clumping together and sitting in your greywater tank.

To get rid of this smell you can introduce readily biodegradable surfactants which trap odour molecules and specialty bacteria which rapidly digest the odour-causing waste in your greywater tank.

This combination of odour suppression and waste digestion means your greywater odours are eliminated and your tank is able to digest waste instead of just holding it.

Your solution

For greywater odours, we recommend the following products and dosage. Odours are expected to disappear within 2-3 weeks.


EcoCare Activator 10L
EcoCare Kitchen Clear 1L

Dosage Instructions

Kitchen Clear
Add 80 mls of EcoCare Kitchen Clear into the kitchen drain each week, following up immediately with a cup of water at room temperature. Continue until bottle is finished.

Add total of 750 mls of EcoCare Activator down the toilet each week for a minimum of 4 weeks. Once odour is alleviated, switch to using the maintenance dose of Activator which is 125ml per person, per week.

What makes our products different?

Most septic, AWTS or greywater treatment products use bacteria or enzymes to improve system performance. Whilst we do provide specialty bacteria, we know that the underlying cause of most wastewater issues are poor biological conditions within the system that kill the bacteria necessary for waste breakdown.

EcoCare’s Biological Stimulant Technology introduces select nutrients, minerals and amino acids that improve biological conditions, overcome the damage caused by everyday household chemicals and allow beneficial bacteria to maintain healthy populations. This is what allows septic systems to operate at peak performance and minimises the need for pump outs and expensive repairs.