Originally Posted by melaniee

With the amount of rain we are getting in SE QLD I would not worry. We have 2 x 20,000 litres that are always over-flowing. Even though we have the mozzie filters, they are still coming into the tank. Someone said to add a couple of drops of parrafin to the tank-it attracts the mozzies to that. Don't know-have not tried it yet !!
I think rainwater is healthier though-straight from the sky ! Great !