Best Drain Cleaner for Old Pipes (PVC & Cast Iron Pipes)

Best Drain Cleaner for Old Pipes. A clog in your drain can lead to clogs throughout your entire plumbing system, so it’s essential to have a good drain cleaner that will

If it’s clogging your drain, kitchen grease, or toilet paper, buildup in your drain can damage your pipes and lead to needing an expensive plumber in the future.

You should make sure that you only buy a powerful drain cleaner from a reliable company that has been around for a while. Fortunately, there are many effective drain cleaners on the market.

The best drain cleaner is one that kills all the germs and germs and gets them out of the drain quickly and effectively. Drain and pipe cleaning is something you can do yourself. Several companies also provide drain-cleaning services.

Here is the drain cleaner for old pipes to unclog sinks, showers, toilets, and more.

Our Top Picks

1. Drano Max Gel Clog Remover

Drano Max Gel is the best overall drain cleaner because it gets rid of tough clogs faster than other drain cleaners. This is a great drain-clearing product that is thick, yet easy to apply. It’s effective at removing hard and soft obstructions. This drain cleaner is good for removing just about anything in your drain and it works in as little as 15 minutes.

The first thing you should do to clear your drains is to try this cleaner. This product is safe to use in sinks, tubs, and showers, but it’s not safe to use in toilets. Like most drain cleaners, Drano Max Gel contains harmful chemical ingredients that can be harmful if ingested or in contact with the skin or eyes.


  • get rid of pipes that are hard to remove.


  • People who use a natural drain cleaner are more likely to deal with toilet problems.

 Product Details:

  • Type: Gel
  • Size: 80 ounces

2. Earthworm Drain Cleaner

When searching for drain cleaners, look for cleaners that are free from toxic chemicals. But Earthworm’s Drain Cleaner and Buildup Remover was an easy choice as our favorite natural drain cleaner. It works like magic! It takes some effort to fully dissolve clogs, but this product’s best feature might be its smell. It leaves sinks and garbage disposals smelling clean and fresh.

This toilet bowl cleaner is ideal for anyone looking to unclog their drains without the use of harsh chemicals. It’s particularly great for households with pets or kids. We especially like that this drain cleaner comes from a woman and family-owned business, which means it was made with love. That’s what we want from every product we use for our families.


  • It’s easy to remove clogs


  • For better results use a chemical drain cleaner.

 Product Details:

  • Type: Liquid
  • Size: 32, 64, and 128 ounces

3. Liquid-Plumr Hair Eliminator Gel

More often than not, hair is the primary reason for a clogged shower drain.

You can get away with any shampoo and conditioner that’s been recommended to you, but Liquid-Plumr Hair Eliminator is the best product for washing your hair. This thick gel cleaner will help to tackle tough hairballs in just 15 minutes after rinsing and flushing away with hot water.

While this cleaner contains harsh chemicals that could clog septic systems or sewer lines, it’s still safe to use for septic systems and all pipes including those made with PVC, plastic, and copper. This drain cleaner for clogged drains is even more powerful than the original brand’s clog remover.

This drain cleaner is very easy to use. Experts love how effective it is as a single-use product, even when compared to others that can require several tries to unclog the drain. But considering its budget-friendly price, this powerful drain cleaner is worth buying.


  • Remove tough hair clogs


  • drain cleaner for garbage disposals or toilets.

 Product Details:

  • Type: Gel
  • Size: 16 ounces

4. Rockwell InVade Bio Drain Gel

A sink is often the worst place to have a clogged drain. When there’s a clog in the sink, standing water, and strong odors attract pests and create a breeding ground for bacteria. With Bio-Drain, you’ll find you have fewer clogs and less waste buildup than ever before!

This thick gel cleaner is made with microbes and essential citrus oil and does a great job at removing odors, scum, grease, food debris, and the “sugar snake,” There is a build up of sugar and other gunk in the drain that feedsbacteria and grows in the form of a snake.

This drain cleaner is also a powerful anti-fruit fly and ant killer. It’s been very effective at eliminating the pesky fruit flies, ants, and other pests that tend to cling around sinks. No spills and it’s made with natural ingredients that let you clean safely in sink drains, garbage disposals, and mop buckets.


  • Remove standing water, strong odors
  • Remove clogged sinks 


  • The economical cleaner that works well once or twice 

 Product Details:

  • Type: Gel
  • Size: 128 ounces

5. Green Gobbler Ultimate Main Line Drain Opener

Reasons why most drain cleaners are not suitable for toilets:

Many drain cleaning companies also offer high-pressure jetting as an additional service, which can dislodge clogs. The Green Gobbler Ultimate Main Line Drain Opener is ideal for toilet clogs because it’s formulated with non-chemical ingredients.

This non-corrosive and odorless liquid can eliminate toilet paper, baby wipes, and another buildup that may clog your toilets. It can also be used in drains, garbage disposals, and all types of pipes. It doesn’t matter if your kitchen sink is small or big, or if it’s plugged, if you want to drain the sink, then a sink plunger is the perfect tool for the job.

This is the best drain opener on the market. Its super-sharp blades open clogged pipes in minutes without any damage to the surrounding areas of your home. It’s made of durable materials and it works on all drains, regardless of their size or shape.


  • People want cleaner for their toilets.


  • People need a fast-acting cleaner.

 Product Details:

  • Type: Liquid
  • Size: 64 ounces

6. Pequa Heavy Duty Drain Opener

You should never pour grease down the sink or any other drain in your home.

When the grease and other things that should be flushed out of your kitchen or bath sink just don’t go down, it’s time for a heavy-duty drain opener. This one from Pequa is the most effective. The best cleaning product for your pipes is this liquid cleaner.

Drain & Trap is a fast-acting product that’s particularly powerful to keep kitchen drains clean. It’s also a great option for showers and sinks, too. It’s made in the U.S., but it’s quite a hidden gem because it isn’t as easy to find in most big box stores.


  • good for grease or oil on their drains.


  • A drain cleaner that is easy to locate.

Product Details:

  • Type: Liquid
  • Size: 64 ounces

7. Bio-Clean Bacteria Waste Eliminator

You’ve probably heard that enzymes are naturally occurring bacteria that break down residue. Enzymatic Drain Cleaner is our favorite for the efficient and biodegradable formula it uses that doesn’t compromise its cleaning power.

This drain cleaner is made from all-natural ingredients that are good for your drain. Organic waste and buildup in your drain act as food for the bacteria in this drain cleaner, so your drain will be much cleaner. You will use this product to get rid of a clog in your drain, eventually clearing it. Since Bio-Clean only affects organic matter, it does not damage your pipes or other inorganic materials.

Since this drain cleaner comes in the form of a naturally derived powder, it might take a few tries to fully restore the flow of your clogged drain. The first product from this company is very good. You’ll pay a bit more for it, but it has enough product for about 100 cleanings.


  • an enzymatic drain cleaner is best for drain clogs


  • need an affordable drain cleaner.

Product Details:

·       Type: Powder

·       Size: 32 ounces

Do Drain Cleaners Harm Pipes?

Pipes made of plastic or older materials are especially vulnerable to damage from cleaning chemicals. Enzymatic cleaners will not eat through these materials, however, so they are a safer choice. If you use chemical cleaners too frequently, they can damage your pipes and lead to problems like clogs that don’t flush away easily.

What Are The Signs Of A Clogged Drain?

Some common signs include:

  • Slow water drainage
  • No water drainage
  • Gurgling sounds
  • Bad odors

Is There Any Way To Get Rid Of The Drain?

Drain clogs are relatively easy to fix, as long as you know how to work the tools and materials.

Don’t pour boiling water down the drain. If you think it will clear out the clogs, instead use a plunger or a similar tool to push the clogs through the pipe.

Baking soda and vinegar are not very good treatments for bigger clogs.


There are two main types of drain cleaners that you can use, those that you pour down the drain and those that you place in the toilet. If you want to get rid of a clog quickly, you should use a drain cleaner that you pour down the drain. Pourable drain cleaners work by dissolving or breaking down the clog. You can also use a plunger to push the clog through your pipes. If you want to use a plunger, you should use a plunger that has a solid metal head with a rubber stopper.


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