Liquid Lightning Buffered Sulfuric Acid Drain Cleaner

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  • Fast acting
  • Dissolves obstructions
  • Safe for use on septic tanks, sinks, tubs, toilets and more
  • Check out these related products

    About this item

    Important Made in USA Origin Disclaimer: For certain items sold by Walmart on Walmart.com, the displayed country of origin information may not be accurate or consistent with manufacturer information. For updated, accurate country of origin data, it is recommended that you rely on product packaging or manufacturer information.
    Liquid Lightning Buffered Sulfuric Acid Drain Cleaner is safe for use on septic tanks, sinks, tubs, toilets and more.

    About this item

    Important Made in USA Origin Disclaimer: For certain items sold by Walmart on Walmart.com, the displayed country of origin information may not be accurate or consistent with manufacturer information. For updated, accurate country of origin data, it is recommended that you rely on product packaging or manufacturer information.

    Liquid Lightning Buffered Sulfuric Acid Drain Cleaner is safe for use on septic tanks, sinks, tubs, toilets and more.

    Liquid Lightning Buffered Sulfuric Acid Drain Cleaner:

    • Fast acting
    • Dissolves obstructions such as grease and hair
    • Safe for use on septic tanks, sinks, tubs, toilets and more

    Ingredients: 

    Ingredients: Sulfuric Acid

    Specifications

    Model: S95-701LB6
    Brand: Liquid Lightning
    Assembled Product Dimensions (L x W x H): 2.69 x 2.69 x 8.00 Inches
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    Customer Reviews

    Customer Reviews | 47 reviews | 3.7 out of 5

    3.5 stars

    47 reviews | 3.7 out of 5

    3.5 stars

    47 reviews | 3.7 out of 5

    70%
    Would recommend to a friend
    5 stars
    30
    4 stars
    3
    3 stars
    0
    2 stars
    0
    1 stars
    14
    1-5 of 46 total reviews
    70%
    Would recommend to a friend

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    Liquid Lightning REALLY WORKZ
    4/19/2016

    Customer review by Oscar

    5.0 stars 4/19/2016 by Oscar
    by Oscar

    The bathroom sink has always been a slow drain issue. I unfortunately took on a plunger clearing effort which made matters worse. With standing black water and no draining I felt doomed to remove the trap and snake the problem down line. After snaking and re-installation of a new p-trap I ran water and was soon back to the plunger and resulting black standing water. Luckily .. while at Walmart I had purchased a bottle of Liquid Lightning. I removed the standing water as well as used the plunger to lift additional water up from the p-trap. I had taped the sink vent and had a rubber cork ready. Using a funnel, I poured about 12 to 16 oz. of the cleaner into the drain allowing for 1" of clearance for insertion of the cork. (all this helped to reduce the odor produced by the reaction of sulfuric acid). Folks... 20 minutes later the water was freely flowing and never been better... Thank you so much... I really recommend this product as a method of maintenance for slow draining sinks as well as a cure for totally stopped-up lines.

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    Oscar
    Would recommend to a friend? Yes
    Loved It!!
    11/6/2015

    Customer review by Loy97

    5.0 stars 11/6/2015 by Loy97
    by Loy97

    After reading the reviews, I came to realized that this product might not work on standing water. So, I bought the product and I made sure to use it when the water level was below the drain level. I didn't have a complete clog. The water still drained, but very super slow. I used about 3 ounces of the Liquid Lightning and waiting the 15 minutes, then ran the water. I ran the water slowly to make sure it didn't come out the drain, I didn't want to ruin the tub finish. I noticed that the water came up and wasn't going down fast enough, so I waited until it went down far enough and I tried it again 3-4 ounces in the drain. Oh, and I used a funnel to do this to make sure nothing fell on the finish. This last wait time was about 30 minutes because I got caught us with dinner. When I went back to check the tub, I turned on the water slowly and the water never came up again. I then turned it up full blast and the water drained faster than it ever did. I love this product and I totally recommend it to anyone!!

    Was this review helpful? (34) (20)
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    Loy97
    Would recommend to a friend? Yes
    YES!!!
    4/29/2016

    Customer review by MammaBlack

    5.0 stars 4/29/2016 by MammaBlack
    by MammaBlack

    I would recommend this to anyone with a slow drain or like in my case a very bad over a year clogged drain that was just too much to deal with but could afford a plumber drain!!!!!!!! SERIOUSLY... I'm sad to say it had been clogged for over a year and I couldn't find any product Drano Professional Strength, nothing worked. On my final attempt to solve this problem myself, I decided to try this! I had nothing else to loose...It was IMMEDIATE SUCCESS! My only issue was that I was upset I didn't try this a year and half ago....

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    MammaBlack
    Would recommend to a friend? Yes
    Draining again!
    2/8/2016

    Customer review by Colorado

    5.0 stars 2/8/2016 by Colorado
    by Colorado

    Yesterday, I had some water backing up from the main drain and a toilet that was draining slowly. Today I poured 1/2 bottle into the toilet - after the warm up period (you pour a little in to let the water heat up) and waited 15 minutes. While I was waiting or the 15 minutes I poured the rest of the bottle in the main drain in the basement where some water was backing up yesterday. At first didn't see much difference gor the toilet, but after a few uses and several hours later the toilet is finally training properly. In the basement no more water. Very happy since the next step would have been a plumber. Totally worth the 10 bucks. I followed the directions for the toilet especially after reading reviews where the toilet cracked, but no problems here.

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    Colorado
    Would recommend to a friend? Yes
    TRY IT!
    2/29/2016

    Customer review by Aiden

    5.0 stars 2/29/2016 by Aiden
    by Aiden

    I normally never review items not bought in a store on another website. In this case I made an exception. My bathroom sink has been clogged for years and even had our pipes redone underneath and they started acting up after half a month. The bathroom sink just became a pain to use. We tried various uncloggers but the clog was further down that even a snake wouldn't work. We couldn't go under the house because the crawl space was to small and paying a profession they said we may have to get a company to come in and pump it with a machine. Glad I tried this first. My local store had this brand and I have seen them in white and black bottles but what they dont show in the image is it comes sealed within a plastic bag. Since it comes with two applications for big clogs use the whole bottle. You wont regret it. I was even to the point of buying gimmick air pumps to to out but was afraid of blowing a pipe with pressurized air. My bathroom sink has been unclogged for over 3 months and still running perfect. I have not had a normal functioning sink in over 2 years because I kept buying liquid draino and other uncloggers. If this doesn't work, than get a professional. Normal Draino did work but would reclog slowly and spent a fortune on the stuff till I bought this. I can run my bathroom sink water at full blast for over 5 minutes now. (not something I was able to before).

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    Aiden
    Would recommend to a friend? Yes
    1-5 of 46 total reviews See all
    1-5 of 46 reviews

    Customer Reviews | 47 reviews | 3.7 out of 5

    Customer Reviews

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    Back
    the back flow into my bathtub as the only thing i can think of is there is hair caught in drain so what should i do call a plumber
    by jeff5495 3/8/2012
    5 answers
    • A. most likely u have a clog in the shower preventing the sink from draining past the shower plumbing.
      by draincleaningfool11/16/2015
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    • A. • You could try the Liquid Lighting product after you carefully coat the bottom of your tub with vaseline and preferably remove the metal drain fixture. Remember this is very caustic acid. • I certainly would first try a less dangerous liquid or powered drain cleaner first. Other options, if the liquids don't work: • If you have access to the local bathroom "cleanout"; purchase an inexpensive drain auger (snake) and use it down the cleanout. • If you can't find the cleanout, get on your roof and find the plumbing vent for the bathroom and run the snake down from the roof. • You can also try a garden hose down the vent or cleanout, if it has some good pressure. • The next step would be to rent an electric drain cleaner snake from a local rental yard and try the same. Be aware, you may not have an internal clog. Often times, roots will find your drain lines and invade them. You may cure the problem for a few weeks or months; yet eventually you will have to dig up the drain line, remove all roots in the area (and maybe the tree as well), then replace the bad section of pipe. A plumber can sometimes put a camera down your lines to see what's going on. Clogged drains are no fun. Good luck.
      by Pixelbender12/23/2015
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    • A. I had a similar issue.Like with me it's most likely a clog in the main line.And since all the drain lines tie in to it that would make the water come up the tub since the sink is higher up.The clog may be after your tub.I would follow the directions and start with he tub.I had a clogged toilet drain and plunging the toiled made the water come up the vanity sink drain.I poured "Drain Lightning" down the toilet and waited the time in the directions and the darin was cleared.
      by 379Driver12/16/2015
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    • A. Just buy this stuff (Liquid Lightning) and put it in the tub - will be taken care of in 15 minutes.
      by simpledude12/16/2015
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    • A. you most likely have a clog where the pipe meets further down the line best put a long snake threw the shower or have someone come out i had the same problem but it was my toilet sewege coming out the shower called a plumber for $40 they did the job and came back for free the next day to make sure it was gone , but if you think it hair you should try it
      by Aprilmg9092/4/2016
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