I have hard water. Can I use Dropps? Sydney January 11, 2019 17:26 Updated Follow Yes, our products are compatible with hard water. Happy Washing! Related articles What is the pod membrane made of? I have soft water. Can I use Dropps? Are your products safe for septic tanks? How do I remove pod residue from my clothes? Are your products safe for grey water systems? Comments 0 comments Article is closed for comments.