How To Drain Water Softener Brine Tank? (Pro Tips)

Your water softener contains two tanks—the resin tanks design to hold resin beads, while the brine tanks have salt pellets.

There are times when these salt pellets will break down in the tank and form a loose sludge. You can prevent this buildup from causing damage to your water softener if you know how to drain the water softener brine tank.

Get a small shovel and remove the sludge whenever the salt supply runs out (which will happen at least once a year). Hardened salt may need to be hammered or dug deep.

Moreover, we have given a step by step guide in this article. Follow these steps and drain the water softener brine tank.

When To Drain Water From Brine Tank

Depending on the circumstances, a water softener needs to be clean once a year to every five years. As soon as the output water hardness increases or the water becomes discolour or smells funny, it’s a good idea to clean the entire system.

The brine tank should be clean when it is almost empty of salt. You can quickly move the tank around so that you can access it without having to dig it all out by hand. If you’d instead not use a lot of water, you can take it outside.

Mould can sometimes develop at the bottom of the brine tank as well. As a result, you will need to clean the interior thoroughly and empty it.

How To Drain Water Softener Brine Tank: Method 1

Here is method number 1, using which you can clean your water softener brine tank.

Disconnect All Hoses And Lines Safety precautions are essential in this case. So, to ensure safety, you must remove all lines and hoses connecting the water softener to the brine tank.

1. Dump Water Out Of The Brine Tank

Drain or siphon water out of the brine tank (don’t use this water/salt mixture on grass or plant roots since the high sodium level may wound the grass or plant roots).

2. Discard The Remaining Salt

If there is any salt remaining, discard it. Here is how to discard the remaining salt.

  • You’ll need a broom, mop, or something else with a long handle.
  • Put the brine tank on its side and flip it upside down.
  • Tap the handle on the salt until it breaks up.
  • Find something sharper and heavier if you can’t break up the salt.

3. Break Out The Salt Bridge

In brine tanks, salt bridges (a large block of salt) in brine tanks must be loosen and broken using warm or hot water.

4. Pull The “Brine Grid” Out

If there is a brine grid, remove it. Brine grids are platforms/screens at the bottom of brine tanks. Brine grids are not found in all brine tanks.

5. Add Dish Soap

Make a soapy mixture by mixing 1-2 gallons of water with a few tablespoons of dish soap.

6. Scrub The Inside

Use a long-handle brush to scrub the inside of the brine tank with the soap/water mixture. Afterwards, rinsing with water is recommend.

7. Add A Household Bleach

Add a quarter cup of household bleach and 2-3 gallons of clean water to the brine tank. Pour the bleach solution into the water and let it sit for 15 minutes. Brush the tank’s interior with chlorine water and clean it with a brush.

8. Rinse The Beach Water

The next step you have to follow is to dump and rinse the bleach water.

9. Connect All The Lines

Connect all lines to the water softener and drain and reinstall the brine tank. Remove the system from “Bypass Mode”.

10. Add Water

Fill the brine tank with 5 gallons of clean water.

11. Add Water Softener Salt

The last step you have to perform is adding at least two 50-lb bags of water softener salt to the brine tank. We recommend keeping the brine tank at least one-quarter full at all times.

Salt should not be fill to the top of the brine tank but leave six inches of space from the top rim.

How Much Water To Add To Brine Tank After Cleaning?

How To Drain Water Softener Brine Tank: Method 2

You can also use this method to drain the water softener brine tank. Just follow these simple steps to drain the brine tank without any damage.

Get Rid Of Water: The first and foremost thing is to clean the brine tank. Make sure you have to get rid of all the water.

Remove Salt: Once you’ve remove the water, remove any salt or sludge remaining.

Add New Salt: Once you have clean your brine tank with the brush or cloth, you have to add a new salt.

Set Regeneration cycle: The last thing that you have to do is to set a regeneration cycle for the coming night. And that’s it, and you’re done.


You can use a shovel or whatever other tool you find suitable to remove any remaining salt and sludge. Make sure, though, that your tank does not get damage. Once again, a shop vac will come in handy. 

Salt that is too hard to vacuum can be broken up with a broom handle. To remove the salt, water and sediment remaining inside the tank, use a hose to rinse the vessel.


If the float switch is not straight and cannot move up and down quickly, this is the perfect time to verify this. Check to make sure that it is not plugged to suck in brine during regen (soak in hot water to unclog it).

After everything has been thoroughly cleaned, put the pieces back together and add new salt. Two or three bags should be enough. However, you’ll need to put the brine tank back in place soon since everything will be heavy. 

When using a post-fill system, you will also need to add about 3 gallons of water. Don’t worry, and the unit will automatically adjust its water level over time.

Your water softener will regenerate the following night, and your water will be usable the next day. 

Tips For Extending The Life Of Water Softener

To make your water softener long-lasting, follow these steps:

1. Change the filter: Your owner’s manual will provide instructions on how to do this. You may need to replace your in-line filter occasionally if you have a Kinetico water softening system.

2. Add Regenerant: Ensure your softener is filled with regenerant at all times. Replace brine drums or softener cabinets before water is visible in them.

As opposed to rock salt or solar salt, use high-quality cubes or pellets. The higher purity means fewer residues will build up. Ultimately, you’ll save money that way.

3. Flush The Resin Bed: To maintain the effectiveness of your electric softener, you should flush the resin bed about once a year with water softener cleaner.

4. Don’t Replenish The Salt Supply: Deplete your salt supply until it reaches one third. Be sure to leave four to six inches empty (about a quarter of the tank) when you refill.

5. Remove Hardened Salt Bridges: Before adding salt, inspect for any hardened “salt bridges” and remove them.

6. Don’t Make The Softener Too Hard: Don’t overwork the softener. You need a setting high enough to soften your water correctly, but anything higher will make it wear out faster. 

You may want to ask your dealer for advice regarding the water here since it is so hard.

Final Words

After reading the above article, we hope that now you must drain the water softener brine tank. Just follow the steps of simple methods so that you can drain the water softener brine tank.

If you want to extend the life of your water softener, we have also given you some tips to extend the life of the water softener.

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