Can Liquid Drain Cleaners Damage Garbage Disposals
Yes, liquid drain cleaner can damage garbage disposals. These products are designed to break down clogs using harsh chemicals, and that same chemical action can wear down disposal components, weaken seals, and accelerate corrosion over time. A few common ways liquid drain cleaner can cause problems include damaging rubber gaskets and internal seals, corroding metal parts inside the disposal and connected drain lines, creating heat that can warp components, and leaving caustic residue that continues to eat away at parts even after the clog seems to clear.
How Do Chemical Reactions Cause Pipe Damage?
Liquid drain cleaners work by creating chemical reactions that significantly increase the heat, and ultimately dissolve whatever is clogging the drain or pipes. Unfortunately, these chemical reactions occur regardless of whether or not there is a clog present, and they work to dissolve anything the cleaner comes in contact with.
This means that as the liquid drain cleaner sits in the pipes dissolving the clog, it is also eating away at the PVC or metal pipes from the inside. While unintended, this pipe damage can cause major issues. Some homeowners may be willing to take that risk to fix a one-time clog, but it’s important to remember that this pipe damage is irreversible.
Luckily, though, it is entirely avoidable by opting not to use liquid drain cleaners. There are other ways to remove a clog without causing this type of pipe damage, like with a plunger or snake. These manual methods are more labor-intensive but will maintain the integrity of the plumbing for years to come.
Garbage Disposals and Heat Don’t Mix
Many homeowners have heard that they should only run cold water when using the garbage disposal. Hot water can cause grease and fat from foods to melt and ultimately jam things up. Similarly, the significant heat increase caused by the chemical reactions in liquid drain cleaners can damage the small metal blades in the garbage disposal.
Because the heat increase is so significant, it can alter the temper of the metal, and ultimately make them less effective over time. As a general rule of thumb, garbage disposals and heat don’t mix well. To properly care for garbage disposals and get the longest life possible from them, owners should avoid exposing them to the extreme heat of any kind, especially the heat generated by liquid drain cleaners.
How Liquid Drain Cleaners Can Damage Seals
Liquid drain cleaners can weaken seals in garbage disposals because the harsh chemicals are designed to dissolve buildup and organic material, and they can also break down the rubber and synthetic materials used in gaskets and internal seals. When these seals are exposed repeatedly, they can dry out, soften, or become brittle, which reduces their ability to keep water contained where it belongs.
Over time, weakened seals are more likely to leak, allow moisture into areas that should stay dry, and contribute to premature wear on the disposal and surrounding plumbing connections. To tell if a drain cleaner is safe for garbage disposals, check the label for a clear statement that it is disposal-safe and follow the manufacturer directions exactly.
When to Call a Plumber?
If the garbage disposal isn’t draining properly, or there is any reason to suspect that there is a clog, it’s time to call a professional plumber. Licensed plumbers can determine what is causing the garbage disposal to be backed up, where the clog is, and how to fix it without using damaging liquid drain cleaners.
They will use professional tools to manually remove the clog, or otherwise repair the garbage disposal. Calling a plumber and paying a professional to assess the garbage disposal problem without using liquid drain cleaners now can prevent pipe damage and more costly repairs in the future.
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