female lobsters vs male lobsters boiling water

Male and female lobsters can be distinguished by the first pair of swimmerets (pleopods) on the upper portion of the underside of the tail. Lobster landings have increased significantly in the last decade. Top Tips And Tricks For Beginner Shooters: Mastering Can You Sublimate On Modal Fabric: A Comprehensive From Kingdoms To Species: An Overview Of The Classification Of Living Things. Get a big pot ready with 2/3 filled with water, and get it to a rolling boil. Female Lobster. A female lobster mates mostly when she is in the soft-shell state right after she has shed her shell. Internet Explorer lacks support for the features of this website. As soon as the water returns to a boil set your timer. Your email address will not be published. At any time she may decide to fertilize her 3,000-75,000 eggs. To kill a lobster humanely, we believe boiling or steaming is the quickest method. Zoom Origin Explained. The high, intense heat of boiling cooks the meat quickly, causing it to pull away from the shell. One being theyre extra fins, or swimmerets, on their bellies. There is nothing more classic than getting out that big pot to boil your lobster. In fact, Canada catches twice the lobsters of Maine. Another common mistake is adding to the cooking time just because you are boiling more than 1-2 lobsters in the pot. Females carry their eggs on their abdomens, while males compete for mating rights by crushing other males claws. How do you tell the difference between a male and female lobster? Stay in touch with me through social media@Pinterest,Facebook, Instagram, or Twitter! Bring to rolling boil; add salt. Female lobsters can carry live sperm for up to two years before deciding to fertilize her eggs. By law, a female lobster carrying eggs must be thrown back if it is caught. Use an instant read thermometer to make sure the lobster meat is between 135-140 degrees. They're sitting there at a fancy restaurant and Max, then Moira, talks about the difference between male and female lobsters. Lobster babies swim at water surface for 25 days. Once the eggs are fertilized, the female lobster will gather and store them under her tail for 9 to 12 months. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. If the first pair of swimmerets (those closest to the head) are soft, you have a female lobster. Boil the water and add salt . Swimmerets also can clue you in to the sex of a lobster. You might also see a dark patch, where the spermatophore is located at the base of her last pair of walking legs. This can, and often does, involve more than two lobsters at a time and can last for days. 4.1K views 4 years ago Male vs female. It is the female lobsters unfertilized eggs. There are only 4 steps in this easy lobster recipe! You may be surprised what you find out about Maines own food group. However, if you are just cooking a few lobsters (1-4), steaming might be the way to go. Future projections for the culture of the spiny lobster are not, however, optimistic. A Rices whale just under the surface of the water in the Gulf of Mexico. Very interesting. Male lobsters have a very loud, high-pitched squeal. If you do not have a big enough pot use two smaller pots or cook your lobsters in batches. We are here to provide you with accurate information always. New England's mail order The sound can be detected at a distance of about three feet from a live lobster, which is why fishermen use them to find trapped lobsters under rocks or logs in shallow water! Pretty sure the months with an R thing refers to Red Tide algae blooms and paralytic shellfish poisoning. This is a long-held practice designed to help keep lobster populations sustainable. How to Tell If Your Seafood Is Sustainable. A lobsters shell is made up of three pieces of cartilage, which means that it is not very strong. The males scream usually lasts for only about 30 seconds before it stops, but sometimes it may last longer or not stop at all. The red pigment is the most stable component of the coloring in a lobster shell. We always recommend using an instant read thermometer to make sure your lobster is between 135-140 degrees. In the image that you see here, Jeff's thumbs are touching the swimmerettes in question. The technical difficulties presented by the fragile, demanding requirements of the early life stages make traditional hatchery methods impractical. LOBSTER vs. 1000 DEGREE BOILING WATER!If you enjoyed this video, watch more here: https://www.youtube.com/watch?v=Qy7sCJoD4sI&list=PL4RAbPVxU8uo08kV1aoFDIDZn. Female lobsters also produce this same sound but it has a lower frequency than that of males and its less powerful as well! Ask any lobsterman and theyll tell you that it is the law in Maine that any female lobster caught with eggs must be released. Because the eggs look like dark berries as they mature, female lobsters with eggs are often referred to as berried lobsters. On average, a female can carry between 7,500 and 10,000 eggs. Do lobsters chase crabs out of traps if they get there first? They migrate very little. The last male lobster standing (swimming?) In general, crabs are less aggressive than lobsters. However, these lobsters also can be sexed using the swimmerets on the underside of their tails. You want to choose a pot that will allow you to fill it halfway to two-thirds full of water while safely accommodating your lobsters without the water spilling over. The stomach is located a very short distance from the mouth, and the food is actually chewed in the stomach between three grinding surfaces that look like molar surfaces, called the "gastric mill.". Males and females mate after the female molts. You can cook more than one lobster in a pot as long as there is enough room and water to cover the lobsters. Cock: Male lobster. You can find out more about our use, change your default settings, and withdraw your consent at any time with effect for the future by visiting Cookies Settings, which can also be found in the footer of the site. The lobster is deemed most succulent at this stage and commands a high price. Before you start melting the butter and getting your crackers out, well walk you through all of the steps of the best way boil lobster and why this is how we do it in the great State of Maine. The amount of meat of a male lobster versus female lobster is negligible. Mention, Boiled Lobster, how to boil lobster, whole lobster. . This is because the so-called head includes the thorax, where most of the viscera and gills are. In his story, Max talks about how male lobsters help each. Im ordering a catalog and cant wait to get it. But watch out and keep an eye on your cooking times to make sure you do not overcook your lobsters! To boil: Fill a very large (4-gallon) stockpot three-quarters full with cold water. Before we dive in, we have a couple tips on how to properly handle your live lobsters. These swimmerets help a lobster swim and are also where a female lobster(sometimes called a hen)carries her eggs. The sperm is stored for up to 15 months after she leaves the den, until the expecting mother is ready to lay her eggs. The Intersection Of Angular.Js, Logistics Software Development, And The Metaverse. The last male lobster standing (swimming?) Evidently in Victorian England #3 myth ran the other way round! FACT: Actually sex doesnt really matter, unless youre a fan of roe. These young lobsters shed their shells about ten times in their first year. Learning how to boil lobsters is one of the first, and easiest ways, to cook a good lobster, like what you can buy here on Lobster Anywhere. Serve with a rich drawn butter sauce and lemon wedges. When it doubt, its always better to undercook your lobster since you can always add more time to the cook. Amesbury, Massachusetts 01913 If you posed the question to her male counterpart, he might say that shes way tastier than him (nice try, guy). Copyright @ 2021 The Mocracy. Your email address will not be published. In addition, keep the rubber bands on the claws when youre adding them to the water. (They can "drop" a claw, etc. Crustaceans: Species, Characteristics, and Diet, How Prezygotic Isolation Leads to New Species, The Malacostraca Family: Crabs, Lobsters, and Their Relatives, Facts About the Spiny Lobster (Rock Lobster), How Male Dinosaurs Differed From Female Dinosaurs, Plant Life Cycle: Alternation of Generations, How to Determine the Sex of Regulated Invertebrates, M.S., Resource Administration and Management, University of New Hampshire, B.S., Natural Resources, Cornell University. Freezing slows deterioration and harmful chemical actions that follow death. If you don't have a 5-gallon pot, you should cook the lobsters in batches, 2 at a. While that may be largely subjective, female Lobsters do often, however, have in them red eggs, which some people like. The decision to drop the project was evidently dictated by economics. Time is the same for boiling multiple lobsters in the same pot. By law, a female lobster carrying eggs must be thrown back if it is caught. Last updated by There are two kinds of lobster-like crustaceansin United States waters. Male lobsters tend to have bigger claws than females of a comparable size. Female lobsters can carry live sperm for up to two years. "How to Distinguish Male Lobsters From Females." Though females tend to have larger tails and males tend to have larger claws, their meat tastes the same. This means that the female lobsters are very quiet when they are in their shell, but when they are out of it, then they become noisy and start to scream loudly. Surprisingly Easy! How can you tell if a boiled lobster was alive when cooked? well, maybe not every day. Credit: Dr. Talia Young. You should hold them by the back and put the heads in first. Surprisingly, as much as 70% of lobsters landed in Maine are shipped back up to Canadian processors and are then shipped back to the U.S. as Canadian product. You want to choose a pot that will allow you to fill it halfway to two-thirds full of water while safely accommodating your lobsters without the water spilling over. Although this can seem like a simple task, none of the most common mistakes that people make when boiling lobsters is that they overcook it. Looking tobuy live lobster online? Subsequently, hell welcome her in and allow her to shack up for up to two weeks. The first recorded case came from recipes attributed to the famous Roman Cook Caelius Apicius in the first century. For 2 lobsters, a 4- or 5-quart pot is big enough. It is produced by forcing air through the tympanum and then forcing it back out again. Amesbury, Massachusetts 01913 The red stuff is the lobster roe or coral. Tough or rubbery meat is usually the result of a lobster cooked too long. Thats why lobstermen immobilize the claws with bands. FACT: False, Canada accounts for more than 60% of lobsters landings in North American. Any lobster that is smaller in carapace length than 3-1/4"must be returned unharmed to the sea. Males have harder ones that they use for reproduction while the females are softer. Cook, uncovered, 12 to 14 minutes (from the time lobsters enter pot). Always stick it in the underside of the tail closest to the body.Another way to tell if your lobster is done or not is by giving their antenna a firm tug. The sound can be heard through thick food (such as a lobster in a pot or a lobster in its shell). However, they all turn red when they hit hot water. Only about 3% of those little lobsters tend to survive. The male swimmerets are larger and more rigid. Roe mmight be found inside whole spiny lobsters. Lobsters can also be steamed, butter poached, air fried, baked, broiled and grilled. Prepare a steamer by simmering a cup or two of water in a large pot fitted with a wire rack or perforated steamer insert. The female holds her eggs until she is ready to fertilize them. No one has yet found a way to determine the exact age of a lobster. (enough to cover the lobster - plus cold water for a cold water bath after boiling), Fill a large stockpot with enough water to cover the lobsters. For example, when you lift them out of their shell and put them into boiling water for a few minutes, then they will be very quiet in their shell because the water heats up and makes them relax so that they dont feel like screaming anymore. Check the temperature in the underside of the lobster by the tail, closest to the body.In addition, you can always do the antenna test. How Long Do Jarred Peppers Last In the Fridge? Tomalley is the lobster's liver. Live lobsters, lobster tails and frozen meat packs. In females, the swimmerets on one side might overlap those on the other. Can a lobster be kept alive in fresh water with ice? Spiny lobsters (rock lobsters) are usually sold as tails, rather than live, so you might not get a chance to try out your lobster sexing skills at a market that sells spiny lobsters. You can find out more about our use, change your default settings, and withdraw your consent at any time with effect for the future by visiting Cookies Settings, which can also be found in the footer of the site. Your family and friends will still be impressed. When various methods of boiling lobster were tested, putting it straight into . Its better to undercook your lobster than over cook it. Typically, though, fishermen release egg-bearing females to reproduce and keep the lobster population stable. The notion that live lobster should not be eaten in r-less months, that is, months that occur during warm weather may have started in the days when shellfish where shipped without adequate refrigeration and could spoil. However, based on scientific knowledge of body size at age, the maximum age attained may approach 100 years. The shape of the tail: The male lobster has a very straight tail (it's the lobster on the left above); the female's tail is wider and has a slight curve. Lobsters come in just about every color but red. Working one at a time, place your live lobsters headfirst into the boiling water. Fully understanding the life journey of any creature is an important part of, harvesting them sustainably and ethically. Steam lobster for 8 minutes per pound, and an additional 3 minutes per extra pound. sign if your lobster is squealing because it means that its either in heat or trying to get you to buy him more lobsters! However, the number of trapsand general efficiency of the fishing industry have also increased. (Carapace, or shell, length is measured from the rear of the eye socket to the rear of the main body shell). Are lobsterspoisonous if they die before being cooked? The opposite of screaming is being silent in your shell while making some noise outside your shell. Females have a slightly wider tail, than the mail lobster. The male energetically beats his swimmerets. Choose a pot to boil lobsters in and fill it 2/3 with water. Cool Down. The male lobster has a single row of fins under the tale, while the female. The first set of "baby" legs: On the male, the first set is covered in a hard shell; on the female, they're thin and feathery. Females have a slightly wider tail, than the mail lobster. Use a sharp knife to pierce the body and tail to drain the excess water and keep you from making a mess. Once the eggs are fertilized, the female lobster will gather and store them under her tail for 9 to 12 months. Squeeze the sides of the lobsters body; the soft shell will yield to pressure, while the hard shell will be firm, and tightly packed with meat. 6. You could even drop a couple of ice cubes into your water. By then, it seems, the thrill is over. Lobster Myth #4: Lobsters Scream When Boiled FACT: Lobsters have no vocal chords. Theres no one definitive way to get a lobster to scream. Do many young lobsters survive to old age? The majority of lobsters caught in the summer are soft-shell. The lobster is a gill-breather, and moisture is essential to survival. ). To boil or not to boil, that is the question. Following this cycle, the lobster will weigh approximately one pound. When the lobster is boiled, the air inside the shell expands and bursts through these pore holes, making a squealing noise. There are a number of myths and tall tales concerning Maine lobster. You cant remove cooking time so just be cautious. Retrieved from https://www.thoughtco.com/distinguish-male-lobster-from-female-lobster-2291789. These Grade A lobsters, unsurprisingly, fetch the highest price. 11 Different Types of Cake and How to Tell Them Apart. Researchers have discovered that lobsters hunt down live prey as well (except for bait), which includes fish, snails, crabs, clams, mussels, sea urchins, and sometimes other lobsters! If each lobster weighed 3 pounds, you would cook them for 12-13 minutes. Some locals believe the meat of the soft-shell lobster is sweeter, but compared to a hard-shell lobster of the same size, the meat is wimpy and watery! A self-taught cook who grew up reading cookbooks for fun, Vanessa lives and breathes the challenges faced by busy everyday cooks to get dinner on the table. The Benefits Of Hiring The Best Local Motorcycle Top National Personal Injury Verdicts Of 2022. "The mating system is a little bit like wolves, in that there are dominant males that. Usually, shell hatch her eggs (up to 100,000) within 9-12 months once the waters are warm enough for her larvae to survive, according to NOAA Fisheries. This is because after being boiled for a few minutes, the female lobster will be very quiet in her shell because the water heats up and makes her relax so that she doesnt feel like screaming anymore. This molting, or shell-shedding, occurs about 25 times in the first 5-7 years of a lobster's life. When the water is fully boiling, add 4 lobsters, approximately 1 pounds each. A study of European lobsters found that the average lobster lifespan was 31 years for males and 54 years for females. If your pot is large enough to accommodate multiple lobster, add the next. However, some tips that may help include: If you want to get a lobster to scream, you first need to understand what makes them scream. Larger, older females have been found to carry up to 100,000 eggs at a time. It's a good sign if your lobster is squealing because it means that it's either in heat or trying to get you to buy him more lobsters! Over a few days, the female approaches the den and checks out the male. A females feeders are soft and will be crossed. Check out our sister company,King Crab Legs Company. Humans were boiling lobsters alive thousands of years ago. Set up a timer appropriate for your lobster size (chart in this post). A 1-pound female lobster usually carries approximately 8000 eggs. How Long Should You Boil Potatoes for Mashing? As lobster lovers, were always working to share the best information about how nutritional and tasty lobsters can be, but we also want to provide folks with a better understanding of how lobsters live and what we do to keep them sustainable. If you look between the legs of a female lobster you'll find the two feelers located at the base of the tail. Presently major conservation measures include safeguarding lobsters smaller than 3-1/4" carapace length. Lobster traps must have escape vents to allow sublegal size lobsters to exit the trap while it is still on the bottom (they can come in, eat, and leave). These lobsters are known as "shorts" or "sub-legals.". Male vs. Attempts have been made to do so, but with limited success. More Methods to Cook Maine Lobster at home. It remains in that position during and after cooking. Wrap tightly in tin foil or plastic wrap and put in a freezer bag or airtight container. Lobsters use their chemosensory legs and hairy feet to detect food. Sometimes, secondary blooms occur in late summer/early fall. Newly molted juvenile American lobster (top) that has shed its old shell (bottom), hatched and reared by the Sound School in New Haven in a field-based nursery system in Long Island Sound. As part of this effort, lobster fishers will v-notch the tail of the female to help other lobster fishers quickly identify these females. This is due to the fact that a soft-shell lobster has less meat because it has not filled out its shell yet. Next, add the lobsters. How to tell the difference between a male and female lobster. If you've ever observed live lobsters being cooked, you know that the sound that occurs when they are put in boiling water is an unpleasant one. and go off like nothing happened. Lobsters usually move around and hunt for food at night. Place the lobsters head first into the water. The amount of meat of a male lobster versus female lobster is negligible. During this time, shell shed her harder shell to give him easier access, and then grow back her protective layer after the deed has been done. Grade A Lobsters The best lobsters are Grade A. In 1996, more than 70 million pounds of lobsters were landed in the U.S. Lobster traps must also have biodegradable escape panels which will create a large opening and neutralize the fishing potential of a lost trap. Also, the female has a rectangular shield between her second pair of walking legs, which she uses to store sperm after mating with a male. Red Wine Glass vs. White Wine Glass: What's the Difference? Required fields are marked *. FACT: The size of the lobstersmall or largedoes not determine the quality. Scallops are safe to eat as long as only the cleaned adductor muscle (the only part generally eaten) is consumed. For the male, he will await another female to start the process again. LOBSTER vs. 1000 DEGREE BOILING WATER!If you enjoyed this video, watch more here: https://www.youtube.com/watch?v=Qy7sCJoD4sI\u0026list=PL4RAbPVxU8uo08kV1aoFDIDZniPCJRZTt SUBSCRIBE \u0026 CLICK THE BELL!BECOME A MEMBER: https://www.youtube.com/channel/UC0DZmkupLYwc0yDsfocLh0A/join MERCHANDISE!Jelly Store: http://jellystore.com MY FRIENDS!Kwebbelkop: https://youtu.be/Et8FzZdW5ykSlogoman: https://youtu.be/ngI4qc0gR1MCrainer: https://youtu.be/0gvEzyuQ0a4 This video is child friendly / kid friendly / family friendly! MORE VIDEOSChallenges: https://www.youtube.com/watch?v=2Enlli2vEEs\u0026list=PL4RAbPVxU8upvqnkEI2qwFCPj6HPbPfE2Vlogs: https://www.youtube.com/watch?v=TUovQgaM1cA\u0026list=PL4RAbPVxU8uoZlaa5JwPyrUGwWYobgiceGames: https://www.youtube.com/watch?v=V-BovZAXL7E\u0026list=PL4RAbPVxU8uqPCF2Zrop-hNbpNpqrkrOVReacting to: https://www.youtube.com/watch?v=z0u4DGwX88g\u0026list=PL4RAbPVxU8upChlDJekmOVDuZFOtS7aud FOLLOW MEInstagram: https://www.instagram.com/jelly/Twitter: https://twitter.com/JeiiyDiscord: https://www.discord.gg/JellyFacebook: https://www.facebook.com/JellyYoutuber/ GEARMy Capture Card: http://e.lga.to/jellyOfficial Jelly PC: https://www.chillblast.com/jelly Sunset over the ocean during a research cruise for the Northwest Fisheries Science Center. The highest grade is given to those with hard shells with the highest meat density. Understanding Real Estate Investment Trusts (REITS), Tips On How To Check If Someone Is In The Hospital, Can You Spray Paint Light Bulb? FACT: Red as a lobster is just a tale. seafood company. Lobsters also urinate in each others' faces during fights to express themselves [source: Markey ]. Not yet, but research is underway to develop rearing techniques and to assess the economic feasibility of rearing the American lobster commercially. Serve your lobster with my simple drawn butter and dip every bite into the rich deliciousness! At Maine Lobster Now, we are dedicated to protecting the Maine lobster populations and keeping their habitats healthy. The lobster weighed 37.4 pounds, with a total length of 2.1 feet. What Is The Dark Web, And How Much Could Your Data Cost? After the cooking time has elapsed, plunge the boiled lobster into a cold water bath for about a minute to stop the cooking process. Drizzle a little extra butter on your lobster meat. When exposed to oxygen, it develops a bluish color. Want to know the sex of a lobster you have caught or are about to eat? Cooking colors the tiny eggs a deep coral or red. For boiling timing, use the weight of your individual lobsters, not the total weight of all lobster being cooked. Credit: NOAA Fisheries. Start your timer when the steaming water returns to a boil. Lady lobsters have a pretty straightforward courtship with their cretaceous hubby, but not one as simplistic as the myth that lobsters mate for life. (Of course, that doesnt include your butter). Subsequently, hell welcome her in and allow her to shack up for up to two weeks. We are using 1 pound lobster for this recipe, so the total cooking time is 8 minutes. Cooks lobsters more evenly than steaming. Put in a 350 (175) oven for 5-10 minutes or until warmed to your satisfaction. First, the most reliable way is by checking the internal temperature. Female lobsters have roe, which may be used for making coral oil or as a garnish for dishes. ThoughtCo. Lobster meat contains omega-3 fatty acids, thought to reduce hardening of the arteries and reduce the risk of heart disease. FACT: Maine lobster is a low fat, low cholesterol dish. Be sure to check out a trusted Maine Lobster supplierLobsterAnywhereThis lobster company has been shipping lobsters all over the USA since 1999. Refer to your time and size chart and you will be on your way to cracking into sweet and succulent lobster meat. As soon as your timer goes off transfer your lobsters to either a colander and run cool water over them or transfer them to an ice bath to stop the cooking. Earth Day 2023: Thoughts on Preparing for Climate Change. When a lobster is in a tank, you can observe that it is actively searching for food by tossing dissolved objects in the water. Serve immediately with drawn butter and lemon wedges. During this time, the female will shed her exoskeleton and the male will deposit sperm packets into her abdomen. Female lobsters, though, will do everything they can to keep everyone in. Fishadelphia: Connecting Communities with Fresh Seafood, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, Report a Stranded or Injured Marine Animal, Climate, Ecosystems & Fisheries Initiative. They are green when fresh and bright red after the lobster is cooked. Adolescent lobsters (1-1/2" to 3- 1/2" carapace length) dominate coastal habitats and offshore areas. Lobster Myth #1: Summer Lobster is the Best, Lobster Myth# 3: Female Lobsters are the Best, Lobster Myth #4: Lobsters Scream WhenBoiled, Lobster Myth #6: There is Only One Kind of Lobster Found in the USA, Lobster Myth#7: Maine Catches the Most lobsters, Lobster Myth #8 : Only Buy Lobsters in Months with an R, Lobster Myth #10: Lobsters are Scavengers, Lobster Season: What is the Best Time of Year To Buy Lobster. Females carrying fertilized eggs aren't usually harvested, but inside a female lobster you might find unfertilized eggs, or roe. If youve seen the L Word, you probably remember that awkward welcome home dinner Jenny has with her friends. "How to Distinguish Male Lobsters From Females." Your email address will not be published. If you have the opportunity to try the roe of a female lobster, you might find this coral-colored delicacy less salty and more sweet than other caviar. If you tug on the antenna and it easily comes out, its done. In a group of lobsters, the males will fight for dominance by locking together in an attempt to crush one anothers claws. After this time, the lobster may then only molt once per year (males) or once every two years (female). Hey guys! FACT: Contrary to what most people think, lobsters arent simply scavengers. The sound has a frequency of between 1,200 and 2,000 Hertz (Hz). For example, when you lift them out of their shell and put them into boiling water for a few minutes, then they will be very quiet as stones because the water heats up and makes them relax so that they dont feel like screaming anymore. True North Smoked Salmon (Original) - FREE. This endangered whale was recognized as a separate species from the Brydes whale in 2021. Credit: NOAA Fisheries under NOAA Permit No. Let's stay updated! How to Distinguish Male Lobsters From Females. Lobsters are not poisonous if they die before cooking, but you shouldcook them quickly. JavaScript seems to be disabled in your browser. After many years in the food service industry, she now enjoys sharing all of her family favorite recipes and creating tasty dinner and amazing dessert recipes here at Bake It With Love! Usually, shell hatch her eggs (up to 100,000) within 9-12 months once the waters are warm enough for her larvae to survive, according to. What makes them different is not only their high-quality hard-shell lobsters, but also their attention to detail and care they take in packing and shipping every single lobster. Cook your lobster for 6-7 minutes for the first pound, and add 3 minutes for each additional pound. arbor memorial obituaries, tyrone johnson wife name,

Marvel Harem X Male Reader Lemon, Viking Rune Love From Man To Woman, Can Deer Eat Cashews, David Templeton Williamsport Pa, Cemeteries In Northville, Michigan, Articles F

female lobsters vs male lobsters boiling water