But don’t worry, there are many subtle signs that you can look out for that will determine if you’re drinking too much beer on a regular basis. Especially if you’re drinking that many beers on a regular basis. However, enjoying a few more beers-three, maybe four-is not so great on your health. if you want to cut down, try to have several drink-free days each week. spread your drinking over 3 or more days if you regularly drink as much as 14 units a week. To keep health risks from alcohol to a low level if you drink most weeks: men and women are advised not to drink more than 14 units a week on a regular basis. Is 12 beers a day a lot? How much alcohol can you drink in a week? However, the researchers define a healthy limit as “up to” one drink a day for women and two for men. “For example, The Daily Telegraph said, “drinking up to two 1.4 pints of beer a day for men and half of that for women” could benefit heart health. It will depend on your sex, weight, and general health. For men, it is no more than four drinks a day and no more than 14 drinks per week. How can I find out how many beers I’ve had?Īccording to the National Institute on Alcohol Abuse and Alcoholism, drinking is considered to be in the moderate or low-risk range for women at no more than three drinks in any one day and no more than seven drinks per week.How much alcohol can you have in one hour?.How many glasses of beer should you drink a day?.How many drinks can you have in a week?.Is it safe to drink 5 units of beer in one night?.Is it healthy to drink 12 oz of beer an hour?.How much alcohol can you drink in a week?.Is drinking a 12 pack of beer a day bad?.How many beers a day is bad for your liver?.How much depends on the shape of your pool, the quality of the insulation of the pool, the difference of the desired water temperature to the environment and how long you are willing to wait until it is heated. For that reason, these values are the minimum and some margin should be added to them. For an electrical heater that can be a good assumption, but not for a gas heater.Īlso, the calculator is only correct in the theoretical case that while the water is being heated, no heat escapes from the water to the environment (air or walls etc.). Please remember, that the calculators above assume 100% conversion efficiency. I think of it this way: the power limit of heating coil simply submerged in water is reached when the water starts to boil around the coil while the water in other places is still much colder.
This way a circulation develops in the water container given the shape of the water container permits it. Since water gets lighter when heated it will start to ascend around the coil and cold water will flow to the coil from below. When using a simple coil submerged in water, then it will start to heat the water just around it. The insulation of where the heating device sits and whether any heat can escape into something other than the water (like a wall, concrete etc.) is more important for efficiency.Īs for effectiveness, a large enough pipe with a pump can probably in theory transfer more heat per second (meaning power, e.g. I do not think it makes much of a difference in practice.Īs for efficiency, an electrical water heater can convert electricity with almost 100% efficiency to heat that can be transferred to the water. And as always, double check with some other source and my help is without any guarantee or similar. And for testing/sampling the cool-down, measure a larger drop in temperature, such as 10f, else the result will be unreliable (reading 1f or 2f changes off a small thermometer may be very inaccurate). Also, you should have some extra power available, just to be sure. That’s just an example, I have no idea how fast a tub cools down. If you use a 611 watts heater in this example, then it will be about enough to reverse this cool-down from 105f to 103f by heating the water back up from 103f to 105f during the same period (realistically, of course, the water does not cool down, but stays at the same temperature). Using the “Water Heating Power Calculator” above (250 us gallons, start temperature 103f, end temperature 105f, 120min) tells us that a heating power of 611 watts is required. Let’s make a calculation example for a tub with 250 us gallons that cools down from 105f to 103f in 2 hours. If you can test how fast the water cools down in your tub, then you can calculate how much heating power is required to prevent that from happening. It very much depends on the surrounding temperature, the heat conductivity of your hot tub material, and the shape of the tub.īut I have an idea.
That is impossible to calculate with the information given.
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