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How to Replace A Toilet Wax Seal To Stop Toilet Leaks: Easy 5-Step Solution!

A sudden toilet leak is something you don’t want to experience.

You want to feel the best with a nice dry toilet.

Replacing a toilet wax seal can help in such a situation.

Then the question arises how to replace a toilet wax seal to stop toilet leaks?

You can replace the toilet wax seal by following five steps. This should be followed by removing the toilet bowl and replacing the toilet wax seal. After installing the fluidmaster, you should be able to turn back the supply line perfectly. It is a good idea to keep your toilet floor dry. 

I have invested some time to help you know the whole process perfectly. With a little focus and attention, you can apply the proper fix.

5 Easy Steps to Replace the Toilet Wax Seal

To ensure an easy fix, you need some tools. The first thing you need is the Fluidmaster toilet repair tools. The product would provide several nuts and bolts for easy fixes. 

You need to place a rubber seal when the toilet rubber seal is leaking. This is on the toilet flange. 

The other stuff that you would need is a gasket, pliers, sockets, and a ratchet. The Fluidmaster package would have all these tools. 

It also comes with an extra flange and a rubber seal. The rubber is attached to the rubber foam underneath it. 

When you have acquired all this stuff, you are ready to start.

Step 1: Turn Off The Water Supply 

The first thing to do is to turn off the water supply. You will see that the toilet tank is filled with water. Make sure you flush the tank to make the water go away.

There can be a little bit of water left. You can use a sponge to remove all the excess water. 

You would wonder how to replace the seal on the toilet outlet pipe. The question arises when looking at the toilet bowl’s back. Worry not; you will be able to do it after reading this article. 

You should be looking around the back and base of the toilet. Depending on the situation, you should caulk around the bottom of the toilet. Keeping the toilet dry is essential to replace the wax seal. 

Loosen the pipe that connects the toilet tank. Using your hand can be difficult; use a plier to do that safely. Some water may start dropping, so place a bucket underneath.

You need to keep the floor completely dry. This will make the toilet flange seal replacement easier. 

Once you go forward with the next step, you will realize something new. The situation regarding the flange, ring, and gaskets will be more manageable for you to detect. 

Step 2: Take Off the Toilet Bowl

You need a 13mm deep socket with a half an inch ratchet. You should locate the bolt at the bottom of the toilet tank. Loosen that up using the tools. 

You should be able to take the bolts out of the toilet tank. check if the inside of the tank is dry. If so, gently hold that tank and remove it from the bowl. 

Place the tank in a safe area, and make sure you don’t drop it. 

During the entire process, make sure you have a pair of gloves. This is to avoid any slip of hands. You would also feel comfortable with the gloves. 

You may find that some areas around the toilet bowl are not dry. Here it would be best if you explored toilet wax ring leak symptoms. You will know once you have removed the toilet bowl from the floor. 

See if the water is flushing correctly around the toilet. You use several methods to unclog the drain so water goes away smoothly. 

By using a 12mm deep socket, you can remove the cap that holds the toilet bowl. Then it would be best if you scraped off the old wax from the toilet bowl. 

Step 3: Replace the Toilet Wax Seal

In this step, you need to place a new wax seal. Bring the new seal from the cover. Remove all the plastics that protect the seal.

The toilet gasket seal replacement is an easy process. All you have to do is place the wax seal firmly on the toilet bowl. 

The content of the seal would attach to the gasket. This will also stick to the bottom part of the toilet bowl. Next, align the toilet bowl to the toilet flange. 

Make sure you can keep the toilet bowl adequately aligned with the bolts. Press the toilet bowl firmly onto the ground. This will make your life easier while tightening the nuts and bolts. 

It would be best to ask why you must clean the gasket area.

It is worth noting that scraping off the old wax is messy. It stays stuck to the gasket; you can use a knife or scraper to get them off. Cleaning the area is essential as the new seal may leak again. If the bolts are old and corroded, you can replace them with new ones. 

Remember, you are not placing the toilet bowl on the floor now. You have to keep safe by aligning the nuts and bolts. The next step is a crucial part of the process.

Step 4: Install the Fluidmaster 

In this step, you have to open the Fluidmaster pack. You will see that it comes with extra nuts and bolts. You can replace the new ones with the old nuts and bolts to fix the gasket. 

You have probably got the toilet rubber seal from home depot. You would be filled in with instructions on how to use the product. With fluidmaster products, you would know how to deal with a leaking toilet base

The fluidmaster pack has a rubber seal for you to stick to the ring. The gasket is a good toilet wax ring alternative. You may not need a gasket if your toilet bowl is attached to a ring. 

After installing the wax and seal, you will place the toilet bowl. Use your ratchet to screw the nuts and bolts attached to the toilet bowl. 

Step 5: Reconnect the Supply Line

The last step here is to reconnect the supply line. By the end of the day, you should be confident. Now you know how to replace a toilet wax seal to stop toilet leaks.

Gently place the toilet tank over the toilet bowl. Screw and tighten the bolts nicely using the ratchet. Then reconnect the supply line to the toilet tank using a plier. 

After turning back the water supply, it should fill up the toilet tank. If leaks appear again, check out what you can do with a leaking toilet tank. The corroded materials may be leaving holes in the area connecting the supply line. 

If there are no more leaks from anyways, congrats! You have done an excellent job. 

Make sure you check all the edges around the toilet bowl. See if there is fluid formation in any of the areas. If the whole area is dry, you should not worry anymore. 

A Quick Toilet Leak Prevention Guide

The most essential information you need is not to use chemical drain cleaners. These cleaners, due to their heavy components, may cause damage to the connecting pipes. 

As a result, the thin ages would start to rust, leaving holes around. Constant water leaks would be expected in the toilet when this happens. You would see that the toilet is leaking at the back when flushed

Make sure you put regular effort into maintenance. Check for dirt formation on the edges now and then. You can contact professional plumbers to come and inspect your toilet now and then. 

Clean your toilet every week to prevent dense moisture formation.

Heavy moisture can also make the connecting pipes go faulty. With the right approach, you can keep your toilet dry and clean.

Fluidmaster 7530P8The rubber seal makes for easy toilet installation
Lasco Toilet Bowl ExtraBest product for floor mount toilet
Crescent 1/4″ Drive 6 Point Deep Metric SocketNickel chrome plated material for a long-lasting socket.
Sata ¼ RatchetGood product for tightening and loosening fasteners
Channellock 440 Tongue And Groove PliersLong-lasting materials with a good grip


How long does it take to remove excess water from the toilet tank?

Removing all water from the system should take about five to ten minutes. You can use a dry towel to clean up the wet area inside the tank. 

How do I make the toilet floor go dry?

You can use a sponge to clean the excess water from the floor. For future moist prevention, you can add a dehumidifier in the bathroom. 

Why do I need two different types of sockets?

You need two different sizes of sockets because of the way the lines are connected. The tank and the bowl fit bolts of different sizes. You can’t use one socket for the repair job. 


You must have understood how to replace a toilet wax seal to stop toilet leaks. This is after reading the entire article.

I hope you become an expert on this topic quite soon.

Wishing you all the best.