Enviro PTC does not contain formaldehyde So it is more user friendly than formaldehyde containing disinfectants
Direction for Use:
- Chemical Toilets: Pour 80ml of Port A Pottie directly into tank.
- Recirculating Toilets: Add 150ml of Port A Pottie directly into initial charge
- Large Holding Tanks: Add 90ml of Port A Pottie directly per 50 litres capacity