Skip to content

Drano is an American household brand of chemical and mechanical drain-clearing products manufactured by S. C. Johnson & Son.

Last updated August 26, 2026

AI crawler reads

2requests

1companies
  • Anthropic2
Profile
2
Controversies
0
JSON · MD
0
First read
Nov 4, 2026
Latest read
Nov 4, 2026

From this site's server log

Overview

Drano, also styled as Drāno, is an American household drain-cleaning brand manufactured by S. C. Johnson & Son. Its products are designed to clear or reduce household drain blockages through chemical action, foaming formulations, buildup removal, or mechanical assistance. The brand is best known for its original crystal drain opener, historically called Crystal Drano, and for liquid products sold under names such as Drano Liquid Clog Remover, Max Build-Up Remover, and Dual-Force Foamer Clog Remover. The brand originated in 1923, when Harry Drackett invented the crystal formulation. The original product used a mixture of sodium hydroxide, sodium nitrate, sodium chloride, and aluminum particles. When added to water, the formulation generates heat and hydrogen, helping agitate and chemically attack organic material obstructing a drain. Because the reaction can produce a hot, caustic solution and pressure, the product has long required careful handling and adherence to label instructions. Chemical drain openers are particularly hazardous when mixed with other cleaners or used in plumbing systems that cannot withstand heat or pressure. Drano became a prominent consumer brand during the twentieth century. From the 1960s through the 1980s, its advertising used the recurring slogan “Once in every week, Drano in every drain,” positioning regular drain treatment as part of routine household maintenance rather than merely an emergency response. Ownership of the underlying Drackett business changed over time. Bristol-Myers acquired the Drackett Company in 1965, and S. C. Johnson acquired the company in 1992, bringing Drano into the S. C. Johnson household-products portfolio. The product range expanded beyond the original crystals. Liquid Drano was introduced in response to competitive pressure following The Clorox Company's acquisition of Liquid-Plumr in 1969. The liquid line initially used sodium hydroxide and was later reformulated in the late 1970s to combine liquid lye with sodium hypochlorite. Other developments included foaming drain products, buildup-removal formulas, and a drain-cleaning kit combining chemical treatment with a mechanical snake. Some historical products, such as the Drano Aerosol Plunger, were discontinued or changed as environmental and safety concerns affected propellant technology. Drano is also associated with significant safety warnings and misuse incidents. Its active chemicals can cause severe burns and eye injuries, and improvised devices made by mixing drain cleaner with aluminum—often called “Drano bombs”—can create dangerous pressure, heat, and caustic materials. Such misuse is not an intended brand application. The product has also appeared in discussions of criminal cases and popular culture, but those references do not represent normal use or brand positioning. Drano remains an active American drain-care brand whose principal role is the maintenance and unclogging of household plumbing.

History

Drano was created in 1923 by Harry Drackett as a crystal chemical drain opener. The original crystals combined sodium hydroxide, sodium nitrate, sodium chloride, and aluminum particles. When water was added, the aluminum reacted with the lye, producing heat and hydrogen gas. The reaction helped agitate material in a blocked drain while the caustic chemistry attacked organic matter. The formulation's heat, pressure, and corrosiveness also made safe handling essential. During the middle decades of the twentieth century, Drano developed from a single drain-opening product into a recognizable household brand. Advertising from the 1960s through the 1980s promoted frequent preventive use through the slogan “Once in every week, Drano in every drain.” This campaign framed drain treatment as routine household upkeep and helped distinguish the brand from products used only after a blockage had formed. Corporate ownership changed during the brand's development. Bristol-Myers purchased the Drackett Company in 1965. In 1992, S. C. Johnson acquired the Drackett business, and Drano subsequently became part of S. C. Johnson's portfolio of household products. The brand remained associated with the American consumer market and with chemical solutions for domestic plumbing. Drano expanded its product architecture in response to changing consumer needs and competition. Liquid Drano was introduced after The Clorox Company acquired competing drain-cleaner brand Liquid-Plumr in 1969. The liquid product initially consisted principally of sodium hydroxide. In the late 1970s, it was reformulated to combine liquid lye with sodium hypochlorite. Later products included buildup removers, foaming formulations, and combination products designed to provide more than one mode of drain treatment. The brand also experimented with nontraditional delivery systems. The Drano Aerosol Plunger, developed in the late 1960s, used a pressurized propellant to force material through a drain. Its history reflected both environmental and practical safety problems: concerns about chlorofluorocarbon propellants intensified after Earth Day in 1970, while alternative propane-and-butane propellants introduced flammability concerns. The product could also be difficult to control and could damage weak plumbing or cause chemical blow-back when used after a chemical opener. Drano Foamer began as a powder to which water was added and was described as an early foaming pipe-snake product. It later evolved into the Dual Force Foamer, a two-in-one liquid product. The Drano Snake Plus Drain Cleaning Kit combined a mechanical snake with a gel-based chemical drain-opening treatment, extending the brand beyond purely chemical solutions. Drano's history also includes repeated safety concerns associated with misuse. The active ingredients can cause serious chemical burns, and combining the product with aluminum can generate dangerous heat, gas, pressure, and caustic material. Improvised “Drano bombs” have caused severe injuries, including a 2017 Harlem incident involving a 12-year-old girl. These incidents concern misuse rather than an intended product feature. Drano has also been referenced in criminal cases and films, including the Hi-Fi murders, but those references are part of the brand's wider cultural and legal history rather than its ordinary commercial activity. The brand remains active under S. C. Johnson & Son.

  • 2017

    Improvised Drano device causes severe injury

    [1]

    A child in Harlem suffers severe burns after an improvised device made with Drano is used, highlighting the dangers of product misuse.

  • 1992

    S. C. Johnson acquires Drackett

    [1]

    S. C. Johnson purchases the Drackett Company and becomes the manufacturer and corporate owner associated with Drano.

  • 1970

    Propellant concerns affect aerosol products

    [1]

    Environmental pressure to eliminate CFC propellants increases after Earth Day, affecting the historical Drano Aerosol Plunger.

  • 1969

    Liquid Drano is introduced

    [1]

    Liquid Drano is developed in the competitive context created by Clorox's acquisition of Liquid-Plumr.

  • 1965

    Bristol-Myers acquires Drackett

    [1]

    Bristol-Myers purchases the Drackett Company, bringing Drano under its ownership.

  • 1923

    Drano is invented

    [1]

    Harry Drackett invents the original crystal drain-cleaner formulation.

Products and positioning

A mainstream household drain-care brand positioned around convenient removal and prevention of sink, tub, and pipe clogs through chemical, foaming, and mechanical solutions.

  • Crystal chemical drain opener · 1923

    Crystal Drano

    The original Drano format, introduced in 1923. The crystal formulation historically contained sodium hydroxide, sodium nitrate, sodium chloride, and aluminum particles. Added water initiates a heat- and gas-producing reaction intended to agitate and chemically attack organic drain blockages. The product requires careful use because the reaction can create a hot caustic solution and pressure.

  • Crystal drain cleaner

    Drano Kitchen Crystals Clog Remover

    A later marketed form of the original crystal Drano concept, intended for kitchen drain clogs and routine household drain maintenance.

  • Liquid chemical drain opener · 1969

    Drano Liquid Clog Remover

    A liquid version of Drano developed in response to competition in the drain-cleaner category. The historical formulation began as liquid sodium hydroxide and was later reformulated with sodium hypochlorite.

  • Drain buildup remover

    Drano Max Build-Up Remover

    A liquid Drano product positioned for removing or reducing accumulated material in household drains rather than serving only as an emergency response to a complete blockage.

  • Foaming chemical drain cleaner

    Drano Dual-Force Foamer Clog Remover

    A later two-in-one liquid evolution of Drano Foamer. The foaming format is intended to spread treatment through the drain and address clogging material along the pipe.

  • Pressurized mechanical drain opener · 1960

    Drano Aerosol Plunger

    A historical late-1960s product that used pressurized propellant to force material through a drain. It was promoted as an alternative to conventional chemical opening, but presented control, plumbing, flammability, propellant, and chemical blow-back concerns.

  • Chemical and mechanical drain-cleaning kit

    Drano Snake Plus Drain Cleaning Kit

    A combination product pairing a mechanical drain snake with a gel-based chemical drain treatment. It represents Drano's expansion from standalone chemical openers into integrated household drain-cleaning tools.

Marketing campaigns

  • 1960Once in every week, Drano in every drain

    United States

    A long-running advertising platform used from the 1960s into the 1980s encouraged consumers to use Drano as part of regular preventive drain maintenance.

    Outcome. Established a memorable routine-maintenance positioning for the brand.

Brand decisions

  • 1978

    Reformulation of Liquid DranoGeneration change

    Background

    The liquid product was revised after its initial introduction as a simple liquid-lye formulation.

    Action taken

    The formulation was changed to combine liquid sodium hydroxide with sodium hypochlorite.

    Aftermath

    The revised chemistry became the basis for later liquid Drano variations.

  • 1970

    Change in aerosol propellant directionStrategy

    Background

    Growing opposition to chlorofluorocarbon propellants created environmental pressure after Earth Day 1970.

    Action taken

    Drackett moved toward cheaper propane-and-butane propellant blends for products other than the historical CFC-based aerosol system.

    Aftermath

    The alternative propellants reduced reliance on CFCs but introduced flammability and handling concerns.

  • 1969

    Launch of Liquid DranoProduct launch

    Background

    The liquid format was developed in the context of intensified competition after Clorox acquired Liquid-Plumr.

    Action taken

    Drackett introduced a liquid drain-opener line, initially based principally on liquid sodium hydroxide.

    Aftermath

    The liquid line became a major part of Drano's product family and was later offered in multiple specialized formulations.

Sources1 sources

Cite this profile: Cite the canonical profile. /brand-wiki/drano · Editorial policy · How profiles are compiled