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Are Homemade Laundry Detergents Safe for Septic Systems?

Submit an Entry: Your Laundry Questions and Answers

By Alycia

My Laundry Question

What is a recipe for a septic safe scented homemade laundry detergent? And which is better, liquid or powder?

Share a Little Background Info

I have a new septic system that I would like to keep in good shape. I also have a typical (not an HE) washer. I recently started making my own laundry detergent, but am concerned over what the savings in cost of the detergent may do for the longevity of the septic system.

Lessons Learned

  • I have tried the typical liquid recipe of Borax, baking soda wash and Fels Naptha, but am not sure that it is septic safe. I'd prefer not to find out the hard way.

Mary Marlowe Leverette, About.com Laundry & Laundry Rooms, says:

All of these recipes for homemade laundry detergents are safe for septic systems. The formula - dry or liquid - is completely up to you. Commercial powdered detergents can have filler that is detrimental to a septic system. Homemade detergents do not have that filler. However, if you are concerned but still want to use a powdered laundry recipes, just dissolve the detergent in a quart of hot water before adding to the washer.

Good luck!

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