Hot tubs have the right to be uncovered in all shapes and sizes, and also this have the right to make calculating how much water a hot tub holds a little bit of a challenge.Luckily, there space a few standard hot tub sizes and some fast ways come calculate around how lot water any type of particular tub will hold.Learning around how often to adjust the water or add more to the hot bathtub can likewise keep your bath tub clean and working perfectly.

You are watching: How much water in a hot tub

## How much water does a hot bathtub hold?

Hot tubs are generally discovered in 3 standard sizes. Tiny hot tubs, which space meant to hold in between two and four people, are in between five and also seven feet long and usually measure in between 29 and 35 inches tall.Medium-sized warm tubs, i m sorry hold between five and six people, are between six and a fifty percent and seven and a half feet long and measure 33 to 38.5 customs high. Big hot tubs, which space meant for seven or more people, are between seven and also nine feet long and also measure in between three feet and 38 customs tall.**Medium hot tubs, in general, hold everywhere from 320 to 475 gallons of water. Tiny hot tubs host a little bit less and also can selection from 145 to 245 gallons that water. Huge hot tubs, top top the other hand, can quickly hold 450 come 500 gallons the water or more.**

## How deserve to I measure up the volume of my warm tub?

It’s no too difficult to gain a great estimate for how much water her hot bathtub will organize by using a simple calculation. Because that square or rectangular hot tubs, an initial measure the width, length, and also depth the the inside of the tub in inches, not feet. Then multiply the depth and width and also multiply again by the length. Divide the resulting number by 1,728. If the hot bathtub has seats, multiply the result number by 2.4. If the hot bathtub doesn’t have seats, main point the number by 4.8 instead.If her hot bath tub is ring or has much more than 4 sides, measure the diameter of the tub, again in inches instead of feet, and also multiply the diameter times the diameter again, time the depth, and also then divide the resulting number by 1,728. Main point by one of two people 2.4 or 4.8, depending on whether or not the tub has seats.If her hot tub is an uneven shape, there might be part slight fluctuations in just how plenty of gallons the tub will hold, yet the over calculation will acquire you very close to an exact answer. Not just will this calculation assist when it involves filling the bathtub or including water, yet it deserve to also assist you identify what amounts of chemistry to include to the hot tub to ensure the it stays clean.You can likewise determine how numerous gallons of water a hot bathtub holds by utilizing fill time to get a great estimate. Time exactly how long the takes to to fill the tub, and also then transform the minute to seconds. Compose down the total variety of seconds.Using the same hose v which you filled the warm tub, time just how long that takes to fill a one-gallon bucket or container. Next, division the variety of seconds it took to fill her hot bathtub by the variety of seconds it took to fill the gallon container. The last number should give you a reasonably accurate number of gallons.Large warm tubs can hold 500+ gallons that water.## How regularly should I change the water?

Chemicals or various other additives can aid your hot bath tub stay clean, clear, and also bacteria-free. However, the warmth water and small space typical that bacteria have the right to still thrive easily, for this reason it’s a good idea to completely change the water in her hot tub periodically.Changing the water now and also then also helps to protect against mineral buildup follow me the sides of the bathtub and help to store the water much clearer.**In general, emptying and totally refilling the hot tub every three months is a good schedule to maintain.**Read: every household posts hereFor a more exact schedule worrying how frequently to adjust your water, however, you deserve to use the size of her hot bathtub to calculate.Take the hot tub’s volume and divide the by three, and also then divide the resulting number by the variety of people who generally use the hot bathtub on a everyday basis. The answer will give you a number of days.For example, if your answer is 30, you should completely change the water once a month or so.If you find that your hot bath tub water has actually a strange odor, if the bath tub develops a foam that can’t be treated, or if the water i do not care cloudy and can’t it is in treated utilizing a shock treatment, you may need to change the water sooner 보다 planned.These problems are usually led to by water buildup or bacteria, and emptying the tub is occasionally the only way to resolve the problem.You may additionally need to adjust the water much more or less commonly depending on other factors. For example, if the hot bath tub is outside, you might need to change the water much more frequently.

See more: Which Of The Following Is An Abiotic Reservoir? What Is An Abiotic Reservoir Of Carbon