When you are about to decide which hot tub to buy, the average hot tub size in gallons may be the type of information that will help you to choose the one that is just right for you. How much water a hot tub holds is very important. Many of us are eager to know, how their new hot tub will influence the water and electricity bills. No doubt, having a hot tub costs some money. But if the water in a hot tub is maintained properly it can last up to four months. You don’t have to drain and fill up again your hot tub more than once in 3-4 months. The average four-person hot tub holds about 300 gallons of water that can last for more than a hundred days. It sums up that your hot tub is consuming not more than 3 gallons of water per day. It is not just the water that a hot tub consumes. Here are some values in gallons for the average hot tub size.
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Gallons Per Person
The average size of a:
- 2 person hot tub – 150-220 gallons
- 4 person hot tub – 280-320 gallons
- 6 person hot tub – 350-450 gallons
- 8 person hot tub – 400-500 gallons
These values refer to the most common models of hot tubs. More luxurious models offer more space and differences in the volume of a hot tub may be significant for models that are, at first sight, quite similar.
But why is the size of a hot tub calculated in gallons so important?
Safety Above All
Knowing the capacity of your hot tub in gallons is important because of all chemicals you have to add to your hot tub water to keep it clean and fresh. Maintaining the proper balance of chemicals in hot tub water is crucial. If you want to have a hot tub that is safe to stay in for hours and soak you need to add chemicals. It is not just adding a tablespoon of this powder every day to the hot tub water and no worries. Unfortunately, it is more complicated than that. There are several chemicals that you need to add regularly. Different kinds of chemicals are used for sanitation and oxidation. Also, there are chemicals used for regulating pH levels and alkalinity. Each of these has to be properly added considering the amount of water in the hot tub. This is why you have to know the capacity of your hot tub in gallons.
Each chemical you are adding to the hot tub water has an instructions manual printed on the package. Adhere to these instructions and never add any of the chemicals roughly without measuring the right amount. The dosage you have to add to your hot tub has to be correctly calculated. Therefore you have to know the exact amount of water your hot tub holds. Chemicals are added usually per 100 gallons. So, if your hot tub capacity is 400 gallons and you have to add an ounce of chemical per 100 gallons, in your case it is 4 ounces to add. Chlorine is the most commonly used substance in the process of sanitation and oxidation of a hot tub. It is used to kill germs in hot tub water. But too much chlorine in the water may cause rash, skin and eye irritation, nose and throat pain. To keep the water in a hot tub fresh and clean, the correct dosage of the chemicals to be added is very important. It is always determined according to the volume of the hot tub in gallons. This is why is so important to know the size of your hot tub in gallons.
How Average Hot Tub Size Affects Bills
A bigger hot tub costs more than a smaller one. Also, the price for the same size hot tub varies from manufacturer to manufacturer. The difference between a basic four-person model and a luxurious four-person model may be up to a few thousand dollars. The price does not reflect only the size of the hot tub. The materials used and the quality of the main components of the hot tub also affect the price.
Initial Expenses
Installing a hot tub at your home is another expense. While a two-person hot tub is not that big and you can ask a few friends to help and carry it to the spot where you wanna place it, a bigger hot tub is completely another story. A four-person hot tub can weigh over 300 lb. This is too heavy to ask friends for help and pay them just in cold beer. To bring a four or six-person hot tub into your home you will need professional service. This is a much better option because companies that move and install hot tubs are aware of all the potential dangers when carrying such a heavy and big object as a six-person hot tub. Often these companies have customized vehicles that are used to transport hot tubs. Big hot tubs when full of water may weigh over several thousand libras. That is a lot of pressure to the spot where your hot tub is placed. If the hot tub is placed on the deck make sure that the deck can stand that weight. Sometimes, when you want to place a hot tub in your yard, you will probably have to prepare the base layer in the ground underneath a hot tub. You will also need an electrician and a plumber to hook up a hot tub to the power and water supply. These are all expenses before you can take the first soak.
Monthly Bills For A Hot Tub
When the hot tub is installed and ready for use you are done with large expenses. After these initial expenses come regular expenses, water and electricity bills that will certainly show the presence of your new hot tub. Also, you should add chemicals to the calculations, because you will have to buy them regularly. Average hot tub size in gallons will affect your bills, bigger hot tub size will consume more water, more chemicals, and more electrical power. Heaters consume a lot of energy to keep the water in a hot tub warm. With a big hot tub that holds 300-400 gallons of water, bills could be quite high.
How To Calculate A Hot Tub Size In Gallons
if for some reason you don\’t know the size of your hot tub, there are ways to find it out. The easiest way is to find the size out on the internet, search for specifications for the model you have. All the manufacturers have the information about their hot tubs\’ size in gallons. Often, you can find out the size in gallons for many models on the web pages of retailers as well.
There is a formula as well, to easily calculate the size of a hot tub in gallons. For square and rectangular hot tubs multiply the length by the width by the depth. Divide the result by 1.728 and then multiply by 2.4 if the tub has seats, or multiply by 4.8 if there are no seats. For round models, instead of multiplying the width and the length, and the depth, you should multiply the diameter by the diameter by the depth of a hot tub. The rest is the same. The result you get is how many gallons of water the hot tub holds. You can apply this method when a hot tub is filled with water, very handy.
If the hot tub is empty you can calculate its size in gallons while you are filling it up. Track the time needed to fill up the tub. In the end, convert that time into seconds. Then, take a one-gallon container and track the time needed to fill it up with water from the same source. Divide the total number of seconds needed to fill the tub by the total number of seconds needed to fill up the one-gallon container. The result is the number of gallons the tub holds.
Hot Tub Size In Gallons Matters
Now you know a bit more about how is the size of a hot tub related to other aspects of having a hot tub. The bigger the hot tub the higher the bills will be. Luckily, for many hot tub owners, it is something they can anticipate and accept. But, you should also think about the footprint your hot tub makes on the environment. Reducing the consumption of electrical power and fresh water should be also our goal in the long run. Also, several hundreds of gallons of water with chemical residues could present serious health and environmental hazard. Think twice before you choose which size hot tub you would like to have.