![]() ![]() Īutoflush and/or ice are sometimes used as alternatives. Some urinal blocks also have enzymes added to help digest the buildup within pipes. The block's functionality is enhanced by saturating it with a scenting compound and quaternary ammonium compounds. Some manufacturers claim that these "biological blocks" can enable completely no-flush waterless urinals to be fitted.Īlternative toilet blocks may release a pleasant odor, but also support cleaning and disinfecting of toilet bowls and urinals, in contrast to para-dichlorobenzene, which does not have cleaning properties. Andrex Gentle Clean Toilet Rolls - 45 Toilet Roll Pack - Bulk Buy Toilet Rolls - Gentle and Soft on Your Family's Skin - Dermatologically Tested. Some recent formulations also include bacterial spores which, coupled with the surfactant cleaning power, can more completely get rid of odors and blockages caused by the buildup of solids in the traps and pipes. This item: 2 Packs of 6 Toilet Cistern Blocks Clean Freshener Blue Loo Bathroom Tablets. The new water-soluble blocks improve the cleaning of the pipes to remove some of the cause of odor problems. Many urinal blocks are now para-dichlorobenzene-free, water-soluble alternative blocks made from surfactants, which offer some active cleaning efficacy. These cleaning blocks are great for sanitising your toilet for hygienic use. Para-dichlorobenzene and naphthalene blocks do not readily dissolve in water or urine, but easily sublime into the air, creating a sickly-sweet odor and anti- mould and disinfectant effects. How to install a Blue Cleaning Block into your toilet. In some areas, the use of para-dichlorobenzene toilet blocks has been banned in other areas para-dichlorobenzene blocks or "para blocks" are still used. The original formulations were of naphthalene and later para-dichlorobenzene, both now known to be hazardous to health by inhalation. ![]() The chemicals composing the block may vary. Urinal deodorizer blocks are tablets (usually cylindrical in shape). They are placed above the urinal drain, often in the confines of a small plastic trap ( urinal screen) that prevents their loss down the drain when they dissolve to a small size. Besides disinfecting, the purpose of these blocks is to reduce or mask odors from restroom urinals. Those containing para-dichlorobenzene (pDCB) may be called para blocks. Urinal deodorizer blocks (commonly known as urinal cakes, urinal cookies, urinal biscuits ( piscuits), urinal donuts, toilet lollies, trough lollies, urinal mints, urinal pucks, hockey pucks, toilet pucks, or urinal peons ( pee-ons) are small disinfectant blocks that are added to urinals. A Johnson Suisse waterless urinal with a deodorizer block placed above the drain at City University of Hong Kong ![]()
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