What bio degradeable detergent can be used with laundry water to water plants?

Question

What bio degradeable detergent can be used with laundry water to water plants?

Answer 1

Ingredients to avoid are sodium, chlorine, and boron because these can accumulate in soil. You can always pour the water through some garden mulch/compost to preabsorb any salts.

Laundry products independent research page comparing powders

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Greywater compatible soaps & detergents

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Phosphorus Free Laundry Powder discussion

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If you just use rinse water there should be less problem. If you think there is a need you can periodically leach the plant  with rain water or other clean source every 4-6 months. Pour water through the pot using twice the volume of water as the empty pot would hold. A six inch pot holds 10 cups so pour 20 cups through. Then refertilize with organic fertilizer. This will leach out solubles that accumulated in the soil.

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Answer 2

any detergent will be alright, but avoid those which include bleach and don't add bleach either. Bleach will hurt the plants.