Salt-Based Water Softener Maintenance in Florida Heat & Humidity

A softener is about as low-maintenance as home equipment gets, but Florida throws a few curveballs at it: humidity, heat, sun and storm season. Here’s the simple routine we walk you through after an install.

Monthly: check the salt

• Lift the brine tank lid and look. Top it up before it runs low. How fast salt goes depends on your hardness, household size and the softener’s settings. Very hard ZIPs (see our Jacksonville hardness by ZIP guide) tend to use more.
• Use clean softener salt (pellets or crystals made for softeners). Bargain rock salt can leave more sludge in the tank.
• Salt not going down at all? That’s a clue. It could be a salt bridge (below) or a softener that isn’t regenerating.

Watch for salt bridges (Florida humidity makes them likelier)

Humid air can make salt clump into a hard crust across the tank with an empty space underneath. The tank looks full, but the softener can’t make brine, and your water quietly goes hard again.

The fix: gently push a broom handle down through the salt. If it hits a hard layer, tap it apart. Don’t stab at the tank walls.

Outdoor softeners: sun, rain and critters

• Shade or a cover helps protect the control valve and tanks from constant sun.
• Keep the control valve dry and free of sprinkler spray.
• Keep the lid on the brine tank so leaves, rain and bugs stay out.
• Keep the discharge spot tidy. A soggy, salty patch is a sign the spot needs a proper pad. That’s exactly what the Sweet Curb Pad is for.

Thinking about where an outdoor unit should go in the first place? Read where to put a water softener outside in Florida.

After storms and power outages

Hurricane season means outages. When the power comes back, check the control valve’s display: the time of day, and that the settings look right. A clock that’s off can make the softener regenerate at the wrong time, like in the middle of your morning shower.

Yearly: prove it’s still working

Once a year, retest your water. If hardness is creeping back, something needs attention. A softener running 10 to 15+ years with spots coming back may be due for replacement. Our free hardness test works great as a yearly check.

Smells? Read this

If your softened water smells like rotten eggs but untreated water doesn’t, the Florida Department of Health says sulfur bacteria in the softener are the likely cause. Give us a call. If the smell is everywhere and you’re on a well, see well water sulfur smell in North Florida.

Common questions

How often should I add salt to my water softener?

Check it about once a month. How fast it goes depends on your water hardness, household size and how the softener is programmed, so in very hard ZIPs (JEA lists up to about 22 grains per gallon) it may go faster. Keep the brine tank from running empty.

What is a salt bridge?

A hard crust of salt that forms across the brine tank, leaving a hollow space underneath. The tank looks full, but the softener can't make brine, so your water slowly goes hard again. Humidity makes bridges more likely. Gently break the crust with a broom handle.

My softened water smells like rotten eggs. Why?

According to the Florida Department of Health, if the smell is only in water treated by the softener and not in untreated water, the likely cause is sulfur bacteria in the softener. Call us and we'll take a look.