In-tank toilet cleaners (also known as toilet water tablets or drop-in toilet bowl cleaners) are tablets or cartridges that add chemicals to toilet tank water to reduce toilet bowl stains. They are commonly used to prevent toilet bowl stains from calcium, limescale, mold, etc. [1] Most contain chlorine bleach as its main active ingredient, [2] however some may use other main active ingredients.
It is originally invented by Flushco, Inc. in 1978, branded as 2000 Flushes (acquired and now owned by WD-40 Company [3] [4] ). [5]
Eventually, some other brands and companies such as S.C. Johnson Scrubbing Bubbles, [6] Clorox, [7] and Ty-D-Bol sold their own in-tank toilet cleaner tablets.
Many plumbers, manufacturer of toilets, and other professionals discouraged in-tank toilet cleaning products due to major disadvantages. [8] A major complication that may occur includes bleach breaking down rubber gaskets and corroding steel parts. [9] Another issue is the blue dye commonly used in in-tank cleaning tablets may cover up iron deposits. [10]
Many manufacturers of toilets have discouraged the use of in-tank cleaners by voiding warranty of toilets that are damaged from use of in-tank cleaners [11] [12] [13]
Sodium hypochlorite is an alkaline inorganic chemical compound with the formula NaOCl. It is commonly known in a dilute aqueous solution as bleach or chlorine bleach. It is the sodium salt of hypochlorous acid, consisting of sodium cations and hypochlorite anions.
A flush toilet is a toilet that disposes of human waste by collecting it in a bowl and then using the force of water to channel it through a drainpipe to another location for treatment, either nearby or at a communal facility. Flush toilets can be designed for sitting or squatting. Most modern sewage treatment systems are also designed to process specially designed toilet paper, and there is increasing interest for flushable wet wipes. Porcelain is a popular material for these toilets, although public or institutional ones may be metal, etc.
Trisodium phosphate (TSP) is an inorganic compound with the chemical formula Na3PO4. It is a white, granular or crystalline solid, highly soluble in water, producing an alkaline solution. TSP is used as a cleaning agent, builder, lubricant, food additive, stain remover, and degreaser.
A drain cleaner, also known as drainopener, refers to a person, device, or product used to unblock sewer pipes or clear clogged wastewater drains. This term typically applies to chemical, enzymatic, or mechanical tools such as commercial chemical cleaners, plumber’s snakes, drain augers, bio-enzyme solutions, or toilet plungers. In some contexts, it may also refer to a plumber or professional who specializes in drain cleaning and maintenance.
Toilets in Japan are sometimes designed more elaborately than toilets commonly seen in other developed nations. European toilets occasionally have a separate bidet whilst Japan combines an electronic bidet with the toilet. The current state of the art for Western-style toilets in Japan is the bidet toilet, which as of March 2016 is installed in 81% of Japanese households. In Japan, these bidets are commonly called washlets, a brand name of Toto Ltd., and they may include many advanced features rarely seen outside of Asia. The basic feature set commonly found on washlets consists of anal hygiene, bidet washing, seat warming, and deodorization.
The Clorox Company is an American multinational manufacturer and marketer of consumer and professional products. As of 2024, the Oakland, California-based company had approximately 8,000 employees worldwide. Net sales for the 2024 fiscal year were US$7.1 billion. Ranked annually since 2000, Clorox was named number 474 on Fortune magazine's 2020 Fortune 500 list.
A wet wipe, also known as a wet towel, wet one, moist towelette, disposable wipe, disinfecting wipe, or a baby wipe is a small to medium-sized moistened piece of plastic or cloth that either comes folded and individually wrapped for convenience or, in the case of dispensers, as a large roll with individual wipes that can be torn off. Wet wipes are used for cleaning purposes like personal hygiene and household cleaning; each is a separate product depending on the chemicals added and medical or office cleaning wipes are not intended for skin hygiene.
Vanish is an American brand of toilet bowl cleaner produced by S. C. Johnson in North America. They obtained the brand through the purchase of The Drackett Company in 1992.
Toilet cleaners are chemical solutions designed specifically for cleaning a toilet bowl, usually in conjunction with a toilet brush.
Sani-Flush was an American brand of crystal toilet bowl cleaner formerly produced by Reckitt Benckiser. Its main ingredient was sodium bisulfate; it also contained sodium carbonate as well as sodium lauryl sulfate, talc, sodium chloride, fragrance and dye.
Harpic is the brand name of a toilet cleaner launched in the United Kingdom in 1932 by Reckitt and Sons. It is currently available in Africa, the Middle East, South Asia, the Asia-Pacific, Europe, and the Americas. The toilet cleaning products marketed under the brand name include liquids, tablets, wipes, brush systems, toilet rim blocks, and in-cistern blocks.
Bleach is the generic name for any chemical product that is used industrially or domestically to remove color from fabric or fiber or to disinfect after cleaning. It often refers specifically to a dilute solution of sodium hypochlorite, also called "liquid bleach".
Cleaning agents or hard-surface cleaners are substances used to remove dirt, including dust, stains, foul odors, and clutter on surfaces. Purposes of cleaning agents include health, beauty, removing offensive odors, and avoiding the spread of dirt and contaminants to oneself and others. Some cleaning agents can kill bacteria and clean at the same time. Others, called degreasers, contain organic solvents to help dissolve oils and fats.
Block Drug Company was a pharmaceutical company based in Jersey City, New Jersey, United States, that specialized in dental care products. Its most popular products included Polident denture cleanser, Poli-Grip denture adhesive, Dentu-Creme denture toothpaste, Nytol sleeping pill, Tegrin medicated shampoo for psoriasis, Lava hand soaps, Beano and Phazyme anti-gas products, Balmex diaper rash ointments, and Sensodyne desensitizing toothpaste.
Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water. This method is used to kill bacteria, viruses and other microbes in water. In particular, chlorination is used to prevent the spread of waterborne diseases such as cholera, dysentery, and typhoid.
Ty-D-Bol is an American brand of toilet cleaner that was introduced in 1958. In its original format, the product is a blue cleanser/disinfectant liquid released into the toilet tank from an automatic dispenser.
2000 Flushes is an automatic toilet cleaning product produced by the WD-40 Company. The toilet cleaner is dispensed from an in-tank package.
Chlorine-releasing compounds, also known as chlorine base compounds, is jargon to describe certain chlorine-containing substances that are used as disinfectants and bleaches. They include the following chemicals: sodium hypochlorite, chloramine, halazone, and sodium dichloroisocyanurate. They are widely used to disinfect water and medical equipment, and surface areas as well as bleaching materials such as cloth. The presence of organic matter can make them less effective as disinfectants. They come as a liquid solution, or as a powder that is mixed with water before use.
Mark: 2000 FLUSHES [...] US Serial Number: 73176664 [...] Application Filing Date: Jun. 30, 1978 [...] For: CLEANER FOR TOILET BOWLS
Warning: This warranty DOES NOT COVER any damages caused by the use of in-tank cleaners. These products can seriously corrode the fittings in the tank.
Do not use in-tank drop-in toilet bowl cleaners containing bleach or chlorine. Use of such products will result in damage to tank components and may cause flooding and property damage. Use of such products will void this warranty.
Unless used properly with a Continuous Clean unit, in-tank toilet cleaners will void the Warranty.