What laundry detergent should I use for greywater applications?
...ow score is attributable to non-disclosure of ingredients, but still, it causes me concern. Lifetree liquid laundry detergent is a bio-degradable product which is safe for septic systems, and which also appears on some greywater lists. However, none of their product information states specifically that it may be used for greywater, so I wrote to them. They kindly replied in some detail, explaining that Lifetree contains no salts, but it does have...