Said It Here

Where do I install a water softener in my plumbing?

Homeowners trying to set up a water softener struggle to figure out the exact plumbing placement and whether they can tap into existing drain lines. Without clear access or proper connection points, they are left unable to route the system correctly or see any softening effects.

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

  1. 1
    Using specialized shower head filters

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.

r/Plumbing2 people · October 2026

“where in the plumbing system do install it?”source ↗

“can I run the drain line from the water softener into that black pipe?”source ↗

No-College8952 · r/Plumbing · 1 upvotes

“I am looking to soften my water mainly for my shower as I think it’s causing damage to my hair. The problem is I live in a connection of someone else’s house, so I don’t really have access to most of the plumbing stuff.”source ↗

Putrid_Magician178 · r/Plumbing · 1 upvotes

“I do have one, it just doesn’t seem to be doing anything, I’ve tested my water with a couple and there’s minimal to no effects. do you have a recommendation for one?”source ↗

Putrid_Magician178 · r/Plumbing · 1 upvotes

Where this came up

People with this problem also raised