Enviroclean Laundry Powder and PreSoaker 5kg Bucket Description Non caustic No animal testing Readily Biodegradable surfactants AST4351 Septic & Sewerage safe Highly concentrated, suitable for use in both front & top load washing machines. Safe to use on cottons, synthetics, whites and coloureds. All water temperatures. Enzymes in our powder work effectively as a pre-soak for stains. Soak in a bucket or machine overnight to assist in stain removal. Do not add more powder. Front and Top Load Machines Soak overnight in the machine or bucket to remove stains. Nappies - add 2 dessertspoons enviroClean Disinfectant. Very concentrated 1 - 3 dessertspoons depending on load size. Separate whites and coloured. All water temperatures.