RezBlock is an all-natural concentrate solution that you add to the water . RezBlock will prevent resin from sticking in all areas that the mixture is touching.
RezBlock is made from organic ingredients - all of which you can buy in a health food store. Fruit and vegetable extracts are used to make RezBlock along with salt which acts as a preservative and food coloring to make it look pretty. There are no chemicals or any other ingredients that would be unsafe for human consumption.