How long does lye take to clear a drain?

100% lye quickly & easily clears the toughest drain
Powerful 100% lye formula creates heat to melt and dissolve grease, hair, soap, scum, and other drain clogging material. Clears drain lines in 15-30 minutes. For use in kitchen and bathroom sinks, tubs, and showers.
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Can lye go down drain?

The pros of lye are that it's effective against sticky clog-smears like what you find in kitchen sinks, as well as thick hair clogs in bathrooms. The solution is denser than water, so you can pour it right into standing water and it will sink.
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Will lye damage PVC pipes?

Reactions of Lye and PVC

Since lye is so basic and caustic, it can harm PVC piping. The chemical should not react with the surface of the PVC piping, but if used incorrectly at high concentrations, it could eat away at a crack or flaw in the piping, causing it to fail.
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Does lye dissolve pipes?

The problem is, while sodium hydroxide (lye) and sulphuric acid break down organic material well, people are also organic material! It is also corrosive for the pipes themselves.
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Why does lye clean drains?

Caustic drain cleaners contain ingredients such as lye that give electrons to the material causing the clog. This creates a chemical reaction that produces heat and makes grease thinner and easier to dissolve. They are most useful for drains that have been clogged with greases such as a kitchen sink or grease trap.
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How to use Lye Drain Cleaner



Is lye a good drain cleaner?

Heavier than water, lye is a popular chemical often used to clear clogged drains. Because it doesn't float, you can use lye in drains even when there is standing water present. The lye will sink to the bottom of the drain and clear the clog quite effectively.
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Will lye damage cast iron pipes?

Lye should not be used to clean enameled cast iron pieces; it will dull the finish. Lye can safely be used to clean nickel or chrome plated pieces.
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Does lye eat through plastic?

Although polystyrene is chemically resistant to room temperature lye, it is not resistant to hot lye. Polystyrene is brittle and will shatter easily when dropped or bent. Do not use plastics in the "Other" category, recycling code #7.
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Does lye dissolve roots?

Lye, bleach and salt might seem like great, inexpensive ways to remove tree roots from a sewer line, but they have major drawbacks: They're not effective. Homemade root killers can flow past the target or crystalize, adding to the clog.
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How much sodium hydroxide does it take to unblock a drain?

Using a glass or plastic container add 3 teaspoons of sodium Hydroxide to 2 tablespoons of water and stir with a plastic or wooden spoon. The mixture will start to fizz and heat up in an exothermic reaction with the water. Pour down your drain and wait 30 minutes or so.
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How do you clean drains with lye?

Using a plastic spoon, pour a few tablespoonfuls of lye directly into the drain hole. Then, pour in about a quarter cup of water to disperse the lye as far as it can go. Leave it to do its job for a half hour or so then flush the drain with hot water.
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What acid do plumbers use to unclog drains?

Hydrochloric acid, otherwise known as muriatic acid, is commonly used by plumbers around the world to clear a clogged rain. It is a strong acid that can cause serious injury if it is not used with care.
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Can you use lye in a toilet?

Instead, it'll remain inside your toilet, damaging your pipes. If the pipes are made of plastic, the lye's heat will soften them. If they're made of metal, the bleach's oxidation process will cause them to rust.
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Will lye hurt septic system?

Drain cleaners are a no-no for all homeowners, even ones who don't have septic systems. Not only can chemical drain cleaners kill the good bacteria in your septic tank, they can also eat away at your pipes! The caustic soda or lye used in them is a powerful oxidizer and can cause severe burns.
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What will neutralize lye?

When working with lye, keep a bowl of vinegar nearby to splash on any skin the lye accidentally comes in contact with. Vinegar will counteract lye and stop its burning. Milk will also neutralize lye and can be used if the lye is accidentally swallowed.
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What dissolves roots in pipes?

Copper sulfate is a natural herbicide and will kill off the small tree roots invading your sewer pipes. Flushing half a cup of the crystals down the toilet should do the trick.
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How fast do tree roots grow back in sewer pipes?

How fast do tree roots grow in sewer pipes? Tree roots can grow as fast as 30 days or as slow as a few years, it depends on the type of tree, the moisture around it, the opening in the pipe (if the roots already penetrated and broke the pipe, there is more food in the pipe for them).
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How long does lye water last?

To ensure the lye works properly, we recommend using it within one year of purchasing. It needs to be sealed tightly and stored in a dry place. Lye is hygroscopic, meaning it attracts moisture.
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What happens if you breathe in lye fumes?

Breathing sodium hydroxide dust or mist causes mild or serious effects, depending on the amount of exposure. Effects may include sneezing, sore throat or runny nose. Severe inflammation of the lungs can occur. Swallowing sodium hydroxide may cause severe burns in the mouth, throat and stomach.
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Can I mix lye and water in stainless steel?

Lye does not react to stainless steel. When you get into making bigger batches of soap, a big stainless steel pot is a lifesaver. Make sure your pots are stainless steel and not a blend of stainless steel and aluminum.
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Why do plumbers say not to use Drano?

WHY YOU SHOULD AVOID USING DRANO. Drano is not only ineffective, but it's also extremely damaging to your plumbing system. The heat created by the chemical reaction is more than your drains are designed to take. Corroded, aging plumbing can easily breakdown.
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Does lye dissolve rust?

LYE does not remove rust, do the following: Soak pieces in solution of 50% white vinegar and 50% water for several hours. Now this will depend on each piece, BUT remember vinegar is an acid and acids EAT metal You will ruin your piece if you let it in the bath too long.
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Will lye damage copper pipes?

But they're very corrosive to pipes (including galvanized steel, copper, and iron) as well as fixtures and fittings. Lye drain cleaners also release heat (as do acid-based products) that softens and deforms plastic pipes.
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What happens if you add water to lye?

NEVER add water to your lye! Doing so can cause the lye to expand, or erupt, out of the container. A popular rhyme to help you remember the order is: “It's smarter to add lye to water! Add water to lye and you may die!” It's definitely an extreme rhyme, but it can be helpful in the beginning!
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