One On the web directions differ for the amount of bleach to add based upon tank volume. We advocate using the desk below to get ready a free of charge chlorine focus of 50 mg/L (pieces per million or ppm). Mix comprehensively when filling the tank to typical functioning level. https://shaneju7y7.blogsvila.com/32715447/new-step-by-step-map-for-how-to-clean-water-tanks