If you can't unclog the toilet using a plunger or a snake, your next best option is to use boiling water. Boiling water can help to dissolve the clog and free up the pipes. To use this method, bring a pot of water to a boil and pour it into the toilet. Let it sit for a few minutes, and then flush the toilet.
Caustic soda is a nasty chemical that can burn, but it's very effective for unclogging toilets. To use this chemical, you need to get some rubber gloves and eye protection. You can pick the chemical from the local hardware or grocery stores. Pour a ¾ gallon of cold water into a bucket, and add 3 cups of caustic soda.
Will a toilet eventually unclog itself? It sure would be nice, but it's fairly rare for a toilet's clog to clear up after a few hours. It can happen, but only in select circumstances.
Stop Flushing!
The clog will prevent the water from going down the drain, meaning it will overflow the toilet and get all over the floor. This can create a much bigger (and must smellier) mess. You should never flush a clogged toilet more than once.
The longer you leave a clog, the more opportunities there are for the clog to get worse. The most water-soluble parts of the clog will dissolve, and the rest will fill in the gaps, making the clog worse. There is also the possibility that human error could come into play.
Start by slowly and firmly pushing down to create a seal and then pulling up sharply to dislodge the obstruction. When you pick up the pace, you will notice the water starting to drain. It usually takes at least 15 minutes to unclog a toilet. When draining, some water may dislodge and push forward the blockage.
Sodium bicarbonate or baking soda is a natural product that you might have at home, and it's useful for home maintenance as well as cooking. Baking soda comes in powder and crystal form. To unblock a toilet, mix it with white vinegar and water to start a chemical reaction.
You can use the hottest setting from your faucet first. If you need to heat some in the microwave or the stovetop, you don't want it to reach boiling temperatures. Boiling water can cause toilet porcelain to crack. Allow the hot fluid to sit in the toilet for a few minutes to loosen the clog.
Aside from vinegar and baking soda mixture, applying bleach is one of the easiest and cheapest methods for unclogging a blocked toilet.
Using too much toilet paper
This is probably the most common reason toilets get clogged — and often the easiest to deal with. If we're honest, most of us are probably guilty of this one. If you're one of the many people who use a lot of toilet paper when you use the bathroom, here are a few tips!
Attempting to force a clog through a toilet with a plunger can often make the problem worse. Instead, create a seal and slowly push down on the plunger before pulling it back sharply. The suction can help pull the clog back up toward the bowl, breaking the blockage and allowing gravity to take over.
Ideally, no more than five or 10 minutes. One plumber told us that if plunging goes on any longer, it's time to try a toilet snake or call an expert.
When a toilet has a clog made of water-soluble materials, it has a chance of slowly dissolving in the water and freeing up the toilet to work properly again. So, clogs that are primarily made of toilet paper can clear themselves.
Is it okay to leave a clogged toilet overnight? In most cases, you can leave a clogged toilet overnight. However, calling an emergency plumber near you might be warranted if water starts leaking from the pipes. A simple clog likely won't cause this, but an inexperienced homeowner messing with the plumbing could.
Plunge Out the Water
After shutting off the water supply valve, place the flange of a toilet plunger (also called a closet plunger) firmly into the drain hole in the bottom of the toilet bowl. Plunge with an up-and-down motion to get most of the water out of the bowl. This should force out any clog into the drain.
So, let's recap the common reasons why a toilet won't unclog — excessive toilet paper use, non-flushable solids, hard water, and clogs in the main sewer line. Thankfully, they can be prevented via methods like double-flushing, covering the toilet bowl, routine inspections and dealing with tree roots.