bromide vs bromine

It also exists naturally in water sources. In this article, I will detail the advantages of bromine, but will also explain why Chlorine might work better for some of you. inflatable hot tub only if you are going to use bromine with the spa frog. What is bromine? Not really. The second way is to apply a hydantoin product that already contains oxidized bromine, using a specially-sized floater or feeder. Bromine is also more effective over a wider pH range than chlorine. Save my name, email, and website in this browser for the next time I comment. But you may shock a bromine pool for other reasons, to oxidize contaminants and bacteria or to create bromine. Bromide compounds are important as gasoline additives, for pesticides and as a disinfectant in water purification. Bromine is far more stable and effective in high temperatures, which is why it is almost always used in spas and hot tubs. If you have any questions about which pool sanitizers are right for you, please give us a call, we’re always here to help you make easier decisions regarding your pool! Spa supplies dealers and homeowners alike must take great care in handling and storing cal hypo products to prevent a fire. The answer is not clear-cut. Chronic toxicity from bromide can result in bromism, a syndrome with multiple neurological symptoms. Going the other way however, requires draining of the pool water, to remove the build-up of bromide ions in the water, which will continue to convert added chlorine into bromine. to add more in the form of… yes, granules! Bromide sanitised hot tubs give off less odour. Extreme Leaf Removal. Yes, that’s right. Usually, I just answer these types of questions with “Google it!”, and that’s really the correct response to these types of simple, informational questions. Spa, hot tub and Jacuzzi are […]. But at pH 8, while 83% of active bromine is present as HOBr, only 24% of free chlorine would be in its more reactive hypochlorous acid state at any given moment. But with the information in this article, spa owners and the industry members who serve them can make an informed choice. Sodium hypochlorite is very alkaline (pH of 11–13). [12] Other than its role in collagen IV production and its facultative use in eosinophils by the body, bromide is not known in other cases necessary for animal life, as its functions may generally be replaced (though in some cases not as well) by chloride. The 3” tablets are the most popular for general pool chlorination. They add an extra layer of safety and mean you can use the minimum That said, it also reacts to UV which means UV light will destroy the bromine in the water faster than chlorine. Peruse any of the Internet forums devoted to pool and spa topics and you'll find lots of misinformation out there, particularly when it comes to water quality in spas. Bromide is a derived term of bromine. Which is better for your pool? It’s true that after you have owned the hot tub for a few months, you will begin to know the quantity of chemical needed. The oxidized bromine is gradually released as the tablets react with the water. Also, this diatomic molecule is a Red-brown colour liquid. Formula is BrO3- (with the - at the top). Bromide is needed by eosinophils (white blood cells of the granulocyte class, specialized for dealing with multi-cellular parasites), which use it to generate antiparasitic brominating compounds such as hypobromite, by the action of eosinophil peroxidase, a haloperoxidase enzyme which is able to use chloride, but preferentially uses bromide when available. One way is to establish what's called a bromide bank by putting a threshold quantity (15–30 ppm) of a harmless bromide salt into the water. Now you need to decide on the sanitizer chlorine, you can buy the sanitiser as You then introduce an oxidizer, sometimes labeled "activator," to convert these bromide ions to a form that will kill microorganisms. smell!). Another granular product that’s usually broadcast on the water's surface, dichlor dissolves rapidly but not as fast as lithium hypochlorite. If you use a tablet feeder or chlorinator, it should be replaced, so that chlorine residue does not come into contact with bromine, which could be dangerous. The oxidizer/activator could be potassium monopersulfate—also listed on products as potassium peroxymonosulfate; it's the active ingredient in most non-chlorine shock treatments—or chlorine. I have already spoken about the Spa Frog system, and this uses a mineral cartridge that lasts about four months. Bromine can oxidize the anions of elements located below bromine in the periodic table. [5], The bromide ion is antiepileptic, and bromide salts are still used as such, particularly in veterinary medicine. Chlorine and bromine are both very effective sanitizers, but chlorine is much cheaper! Bromide is present in typical seawater (35 PSU) with a concentration of around 65 mg/L, which is around 0.2% of all dissolved salts. This was my thinking Still, because bromine is a weaker oxidizer, periodic shocking with chlorine or potassium monopersulfate is strongly advised no matter what program is chosen. The money you will save by purchasing chlorine over bromine for use in a spa is usually negated rather quickly due to the fact that you will need to use much more chlorine to keep the spa sanitized. It costs more per pound, but can be regenerated, just by shocking the pool. See potassium bromide. Beside silver, bromine is sometimes found in minerals combined with mercury and copper.[3]. hot tub and it will need less maintenance. Chloramines continue to rise, and even in the air strives to continue working, or oxidizing. In a 500-gallon spa, a recommended maintenance dose of the dihydrate form of one-half ounce will add over 4 ppm of stabilizer to the water. You can also use the chlorine granules to ‘shock your hot tub weekly another cost saving! The two chemicals should not be mixed so if you are changing the sanitizer; you should do this when you change the water. The total bromine residual can be read with OT, DPD, FAS-DPD, and some test strips. This is the question I am asked the most – Is bromine better than chlorine to sanitise my hot tub and keep the water crystal clear and safe? advantages and disadvantages of all three. I say “try”, K-1005 shown. I’ll try and be unbiased and give you the The most popular sanitizers on the market today are chlorine and bromine, which are both classified as halogens. evening. Bromine is less reactive than chlorine but more reactive than iodine. The half-life of bromide in the human body (12 days) is long compared with many pharmaceuticals, making dosing difficult to adjust (a new dose may require several months to reach equilibrium). It is easy to use and cheap. Bromine and bromamines are also less damaging to auto cover fabrics, as compared to chlorine – all else being equal. Opinions differ on the maximum allowable while soaking. Tendency to deplete total alkalinity; corrosion damage to the heater can result if testing is sporadic and unbalanced water is not detected and treated, No effective protection from degradation by sunlight comparable to cyanuric acid's effect on chlorine (mitigated by the fact most spas are covered a lot of the time), The impossibility of switching from bromine to chlorine without draining the spa. You can accurately read free chlorine up to 20 ppm with FAS-DPD using a 10 mL sample (1 drop = 0.5 ppm), whereas a DPD color comparator or test strip only works up to 10 ppm. With the most commonly used color comparators, the best a DPD test can do is 0.5 ppm. Moreover, bromamines actively disinfect the water until they self-destruct a short time after their formation. produced using a bulb, it will need replacing, over time, according to the manufactures

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