Description Enviroblue toilet additive is an environmentally friendy blue toilet additive manufactured for use in plastic recirculating toilet tanks. For average use in a portable toilet we suggest a dose of 100ml to 150ml per charge of toilet. For low use dose at around 75ml to 100ml. Add fresh water until the the pump filter is immersed. For use in caravan casette toilets dose at 50ml to 75ml per charge of toilet. Always add Enviro Blue to the toilet tank first, then pour in fresh water to dilute the toilet additive ready for use.
